Who Is Franklin Jonas? Singer’s Biography, Age, Family, Music Career, Songs and Full Story
Franklin Jonas is an American singer, songwriter, producer, musician, and actor best known today for developing his own musical identity through Franklin Jonas & The Byzantines. Born Franklin Nathaniel Jonas on September 28, 2000, he first entered the public eye as Frankie Jonas, the youngest brother of Kevin, Joe, and Nick Jonas of the Jonas Brothers.
For years, Franklin was affectionately associated with the nickname “Bonus Jonas.” But his adult career has moved considerably beyond that childhood identity. After working as a voice actor and Disney performer, he studied audio engineering, experimented with production and songwriting, and eventually released his debut EP, Sewer Rat, in 2023.
His newer music marks another transformation. Franklin Jonas & The Byzantines blends Americana, folk, roots instrumentation, intimate storytelling, and contemporary production, giving Franklin a sound notably different from the pop-rock music associated with his older brothers.
So, who is singer Franklin Jonas in full? Here is a detailed look at Franklin Jonas’ biography, age, parents, brothers, education, acting history, songs, musical influences, and career in 2026.
Franklin Jonas Biography and Quick Facts
Full name: Franklin Nathaniel Jonas
Known professionally as: Franklin Jonas
Also known as: Frankie Jonas
Date of birth: September 28, 2000
Age: 25 years old as of September 23, 2026
Birthplace: Ridgewood, New Jersey, United States
Nationality: American
Profession: Singer, songwriter, producer, musician, actor
Years active: 2008–present
Parents: Denise Jonas and Paul Kevin Jonas Sr.
Brothers: Kevin Jonas, Joe Jonas, Nick Jonas
Education: Blackbird Academy; later studied at Columbia University
Debut EP: Sewer Rat
Current project: Franklin Jonas & The Byzantines
Genres: Americana, folk, indie, alternative, roots music
Who Is Singer Franklin Jonas?
Franklin Jonas is the youngest member of the famous Jonas family, but he is not a member of the Jonas Brothers.
His older brothers Kevin, Joe, and Nick formed the Jonas Brothers and became major pop stars during the 2000s. Franklin was still a child when their career exploded, meaning he grew up experiencing the entertainment industry from a very different perspective.
He became a performer himself at an early age, most notably voicing Sōsuke in the English-language version of Studio Ghibli’s Ponyo. Franklin also appeared in Disney productions involving his brothers.
Music eventually became his primary creative focus.
Instead of simply following the Jonas Brothers’ established pop formula, Franklin developed an alternative singer-songwriter style. His 2023 EP Sewer Rat leaned toward indie rock, while his subsequent work with Franklin Jonas & The Byzantines moved more deeply into Americana and folk.
How Old Is Franklin Jonas?
Franklin Jonas was born on September 28, 2000.
He is 25 years old as of September 23, 2026, and celebrates his 26th birthday on September 28, 2026.
Franklin is considerably younger than his three brothers. Kevin Jonas was born in 1987, Joe Jonas in 1989, and Nick Jonas in 1992.
That age difference explains why Franklin was not part of the Jonas Brothers when the group formed. He was a young child while his brothers were beginning their professional music careers.
Franklin Jonas’ Early Life
Franklin Nathaniel Jonas was born in Ridgewood, New Jersey, to Denise Jonas and Paul Kevin Jonas Sr.
He is the fourth and youngest Jonas brother.
Although born in New Jersey, Franklin spent much of his teenage life in Texas. His upbringing was inevitably influenced by his brothers’ rapid rise in entertainment.
The Jonas Brothers became major figures in youth-oriented pop culture during Franklin’s childhood. Their albums, concerts, Disney Channel appearances, and roles in Camp Rock created an international fan base.
Franklin consequently grew up with unusual access to recording studios, touring, television production, professional musicians, and other aspects of the entertainment business.
However, that exposure did not immediately convince him to pursue exactly the same career.
His eventual journey into music was more gradual and included studying production and audio engineering before he became an established recording artist.
Who Are Franklin Jonas’ Parents?
Franklin Jonas’ parents are Denise Jonas and Paul Kevin Jonas Sr.
Franklin grew up in a family where music played an important role. His father had experience with music and ministry, while his parents became closely involved in supporting their sons as the Jonas Brothers developed their career.
Denise and Paul have four sons: Kevin, Joe, Nick, and Franklin.
Because Franklin was born years after his brothers, his childhood unfolded during a period when the family’s public profile was changing dramatically.
Franklin Jonas’ Brothers
Franklin has three older brothers:
Kevin Jonas is the eldest and serves as a guitarist and performer in the Jonas Brothers.
Joe Jonas is a singer and frontman who has worked with both the Jonas Brothers and DNCE.
Nick Jonas is a singer, songwriter, musician, and actor with both a solo career and his work in the Jonas Brothers.
Franklin is not officially the fourth member of the group.
His relationship with his brothers nevertheless remains an important part of his biography because he grew up while their careers were becoming internationally successful.
Why Was Franklin Jonas Called the “Bonus Jonas”?
During his childhood, Franklin became widely known among Jonas Brothers fans as the “Bonus Jonas.”
The nickname referred to him being the younger fourth brother outside the famous trio.
Although it was originally used affectionately, Franklin has spoken publicly about wanting to establish an identity beyond being known primarily as an extension of his brothers.
His decision to perform professionally as Franklin rather than relying on the childhood “Frankie” identity reflects that broader evolution.
Today, his music provides the clearest distinction.
Franklin Jonas & The Byzantines sounds substantially different from the Jonas Brothers and has allowed Franklin to develop his own audience, influences, and creative direction.
Franklin Jonas’ Acting Career
Franklin worked professionally in entertainment years before launching his adult music career.
His childhood credits include voice acting, television appearances, and Disney projects.
Franklin Jonas in Ponyo
One of Franklin’s best-known acting roles came from the English-language version of Hayao Miyazaki’s animated film Ponyo.
Franklin voiced Sōsuke, the young boy who befriends Ponyo.
Noah Cyrus provided the English voice of Ponyo.
Franklin and Noah also performed music connected with the English-language release, creating an early musical link between the two child stars.
Their professional relationship became particularly notable years later when they reunited as adult recording artists.
Jonas
Franklin also appeared in the Disney Channel series Jonas, which starred his three older brothers.
He played Frankie Lucas in recurring appearances on the show.
The role increased his visibility among the Jonas Brothers’ young audience and contributed to his childhood identity as Frankie Jonas.
Camp Rock 2: The Final Jam
Franklin also made a small appearance in Camp Rock 2: The Final Jam.
The Disney Channel film starred his older brothers alongside Demi Lovato and followed the success of the original Camp Rock.
Franklin additionally appeared in other television projects, including Married to Jonas, the reality program centered on Kevin Jonas and Danielle Jonas.
Franklin Jonas’ Education
Franklin’s career took an interesting turn after his childhood acting years.
Rather than immediately pursuing fame as a singer, he became interested in how records are actually made.
He attended the Blackbird Academy in Nashville, where he studied audio engineering and graduated in 2019.
Audio engineering gave Franklin a technical understanding of recording, mixing, production, and studio work.
He subsequently moved to Los Angeles with the goal of working as a studio engineer.
Franklin later pursued academic coursework at Columbia University, including writing and astrophysics.
His education in audio engineering would ultimately become especially relevant when he began producing and recording his own material.
How Franklin Jonas Started Making Music
Franklin experimented with music production before officially launching his recording career.
His early creative work included making beats, working with samples, experimenting with recording software, and gradually developing songs.
However, becoming a professional singer-songwriter was not an automatic choice simply because his brothers were musicians.
Franklin spent years determining whether music was genuinely something he wanted to pursue.
During the early 2020s, he continued developing material. A song called “Hoboken” became particularly important in convincing him that his songwriting could become something more substantial.
The process eventually resulted in his first official releases under the name Franklin Jonas.
Franklin Jonas’ Debut Single Cocaine
In 2023, Franklin formally introduced his adult musical identity with “Cocaine.”
The track immediately demonstrated that he was not attempting to replicate the Jonas Brothers’ sound.
His early material was more closely associated with alternative and indie-rock songwriting, combining personal lyrics with production choices influenced by his experience as an audio engineer.
“Cocaine” became one of the songs included on his debut EP.
Hoboken
“Hoboken” was another defining early Franklin Jonas song.
The track helped establish the autobiographical quality of his songwriting and became one of the central pieces of his debut era.
Where audiences may initially have approached Franklin’s music because of his surname, songs such as “Hoboken” provided evidence of a distinct songwriter developing outside his family’s established pop sound.
Sewer Rat: Franklin Jonas’ Debut EP
Franklin Jonas released his debut EP, Sewer Rat, on June 21, 2023.
The five-track project represented his formal introduction as an independent recording artist.
Sewer Rat Tracklist
- “Grow Up”
- “Cherub”
- “New Girl”
- “Hoboken”
- “Cocaine”
Sewer Rat explored growing up, relationships, identity, and difficult periods of young adulthood.
Musically, the EP leaned into jangly indie and alternative rock rather than the arena-ready pop-rock traditionally associated with the Jonas Brothers.
Franklin also brought his production background into the project, reinforcing his identity as someone interested in both songwriting and the technical construction of recordings.
Franklin Jonas’ Musical Influences
Franklin’s influences have evolved considerably throughout his career.
His Sewer Rat period drew from alternative and indie music, while his later material became increasingly connected to American roots traditions.
Influences associated with his newer work include songwriters and musicians such as Gillian Welch, Dave Rawlings, Dan Reeder, and Ruston Kelly.
This shift toward Americana ultimately became central to the creation of Franklin Jonas & The Byzantines.
Franklin Jonas & The Byzantines
After Sewer Rat, Franklin stepped away from releasing music for a period and reconsidered his artistic direction.
That process resulted in Franklin Jonas & The Byzantines.
The project is built around the idea of rebuilding and continuation. Its name draws conceptually from Byzantium and the survival of the Eastern Roman Empire long after the fall traditionally associated with Rome.
For Franklin, that history became a metaphor for reinvention: an apparent ending can instead become the beginning of another chapter.
It was an appropriate concept for an artist attempting to rebuild his relationship with music.
What Genre Is Franklin Jonas & The Byzantines?
Franklin Jonas & The Byzantines blends Americana, folk, indie folk, roots music, bluegrass influences, and modern alternative production.
Traditional instruments are important, but the project is not intended as a purely traditional Americana act.
Synthesizers and contemporary production can appear alongside guitars, banjo, mandolin, piano, and other organic textures.
The result is a sound that connects older American songwriting traditions with Franklin’s background in experimental production.
Village Liquors
“Village Liquors” helped introduce listeners to Franklin Jonas & The Byzantines.
The song reflects on growing up, memory, and the complicated relationship between experiences that hurt and experiences that shape a person.
It also demonstrates the stronger narrative quality of Franklin’s newer songwriting.
Rather than simply continuing the indie-rock style of Sewer Rat, “Village Liquors” helped establish the Americana foundation of his next era.
Road Soda
“Road Soda” further developed that direction.
The song explores emotional conflict and self-destructive impulses during periods when life appears externally successful.
Its reflective songwriting fits naturally within Franklin’s shift toward narrative-driven Americana.
Break the Levee
“Break the Levee” focuses on communication and allowing previously contained emotions to emerge.
The arrangement incorporates contemporary bluegrass influences while maintaining the mixture of traditional and modern textures that characterizes The Byzantines.
Together, “Village Liquors,” “Road Soda,” and “Break the Levee” established a clear musical departure from Franklin’s first EP.
Franklin Jonas and Noah Cyrus
Franklin’s later collaboration with Noah Cyrus created a particularly interesting connection between his childhood and adult careers.
The two performers first worked together as children on Ponyo: Franklin voiced Sōsuke, while Cyrus voiced Ponyo.
Nearly two decades later, they reunited as musicians for “High and Sad.”
The song combines folk and Americana instrumentation with modern synthesized elements, fitting the musical identity Franklin developed with The Byzantines.
Their reunion also provides an unusual full-circle moment in Franklin’s career, connecting one of his earliest entertainment roles with his current life as a singer-songwriter.
Franklin Jonas’ Music Style
Franklin Jonas’ music has undergone a noticeable transformation.
His debut era was primarily rooted in indie and alternative rock. Sewer Rat was youthful, personal, and deliberately different from the polished mainstream pop associated with his family name.
The Byzantines period places considerably more emphasis on Americana storytelling.
Franklin’s songs increasingly use specific memories and experiences to explore broader subjects such as growing older, love, communication, uncertainty, nostalgia, self-destruction, and rebuilding.
His training as an audio engineer also means production remains central to his work.
Rather than treating traditional and electronic sounds as opposites, Franklin frequently combines them.
Franklin Jonas’ Live Career
Live performance has become increasingly important to Franklin’s career.
Following the release of Sewer Rat, he toured as a supporting artist and developed experience performing his independent material for audiences.
Franklin Jonas & The Byzantines subsequently expanded that live presence.
The group has performed with acts including the Jonas Brothers, The Maine, and Hunter Hayes, while Franklin’s First of Many Tour brought the project to headline venues across the United States in 2026.
These shows marked another significant stage in his transformation from a musician primarily known because of his family into a working touring artist with his own catalog.
Franklin Jonas in 2026
As of 2026, Franklin Jonas is focused primarily on Franklin Jonas & The Byzantines.
The project has developed through new singles, touring, and an increasingly recognizable Americana-influenced identity.
Material including “Village Liquors,” “Road Soda,” “Break the Levee,” and “High and Sad” illustrates the direction Franklin has pursued after Sewer Rat.
A debut full-length album from the project has also been positioned for the fall 2026 period, making this one of the most significant years yet in Franklin’s independent recording career.
Is Franklin Jonas a Member of the Jonas Brothers?
No.
Franklin Jonas is the biological younger brother of Kevin, Joe, and Nick Jonas, but he has never been an official fourth member of the Jonas Brothers.
The Jonas Brothers consists of:
- Kevin Jonas
- Joe Jonas
- Nick Jonas
Franklin instead maintains his own recording career.
The musical distinction has become increasingly obvious as his work has developed toward indie rock, folk, roots, and Americana.
Is Franklin Jonas Married?
Franklin Jonas generally keeps the details of his private relationships outside the central focus of his professional career.
There is no reason to treat unverified online claims about his relationship or marital status as established biographical information.
His public profile is currently centered more strongly on his songwriting, recording, touring, and work with The Byzantines.
What Is Franklin Jonas’ Net Worth?
There is no authoritative publicly disclosed figure establishing Franklin Jonas’ exact personal net worth.
Celebrity net-worth figures published online are frequently estimates and can vary considerably because private assets, contracts, publishing income, expenses, investments, and ownership arrangements are generally unavailable.
For that reason, presenting a precise number as Franklin Jonas’ confirmed net worth would be misleading.
His documented professional work spans acting, voice performance, songwriting, music production, recording, and touring.
Franklin Jonas Career Timeline
2000: Franklin Nathaniel Jonas is born on September 28 in Ridgewood, New Jersey.
2008–2009: He begins appearing professionally in entertainment and voices Sōsuke in the English-language version of Ponyo.
2009–2010: Franklin appears in the Disney Channel television series Jonas.
2010: He appears in Camp Rock 2: The Final Jam.
2012–2013: Franklin makes appearances on Married to Jonas.
2019: He graduates from the Blackbird Academy after studying audio engineering.
2020: Franklin pursues additional studies, including writing and astrophysics coursework at Columbia University.
2023: He releases “Cocaine,” “Hoboken,” and his debut EP, Sewer Rat, establishing his professional singer-songwriter career.
2025: Franklin Jonas & The Byzantines introduces a new musical chapter rooted more heavily in Americana and folk.
2026: Franklin expands The Byzantines through additional music and the First of Many Tour, while preparing a broader full-length project.
Interesting Facts About Franklin Jonas
Franklin’s full birth name is Franklin Nathaniel Jonas.
He was widely known as Frankie Jonas during his childhood.
He is the youngest of Denise and Paul Jonas’ four sons.
Despite frequently being associated with the Jonas Brothers, Franklin has never been an official member of the trio.
He voiced Sōsuke in the English-language version of Ponyo.
His Ponyo co-star Noah Cyrus later collaborated with him as an adult musician.
Franklin trained in audio engineering before launching his professional recording career.
His first official EP, Sewer Rat, was released in 2023.
His later project, Franklin Jonas & The Byzantines, explores Americana and folk while incorporating modern production.
Frequently Asked Questions About Franklin Jonas
What is Franklin Jonas’ full name?
His full name is Franklin Nathaniel Jonas.
When was Franklin Jonas born?
Franklin Jonas was born on September 28, 2000.
How old is Franklin Jonas?
Franklin Jonas is 25 years old as of September 23, 2026. He turns 26 on September 28, 2026.
Where is Franklin Jonas from?
He was born in Ridgewood, New Jersey, and spent a significant part of his teenage years in Texas.
Is Franklin Jonas the youngest Jonas brother?
Yes. Franklin is younger than Kevin, Joe, and Nick Jonas.
Is Franklin Jonas part of the Jonas Brothers?
No. Kevin, Joe, and Nick make up the Jonas Brothers. Franklin has developed a separate music career.
Why is Franklin Jonas called Frankie Jonas?
Frankie is the name by which Franklin became widely known during childhood. His adult music career generally uses Franklin Jonas.
What is Franklin Jonas famous for?
Franklin initially became known as the youngest Jonas brother and as a child actor. He is now a singer-songwriter and musician known for Sewer Rat and Franklin Jonas & The Byzantines.
Was Franklin Jonas in Ponyo?
Yes. He voiced Sōsuke in the English-language version of Ponyo.
What is Franklin Jonas’ debut EP?
Franklin’s debut EP is Sewer Rat, released in 2023.
What kind of music does Franklin Jonas make?
His early solo music leaned toward indie and alternative rock. Franklin Jonas & The Byzantines explores Americana, folk, roots music, bluegrass influences, and contemporary production.
What are Franklin Jonas’ best-known songs?
His catalog includes “Cocaine,” “Hoboken,” “Grow Up,” “New Girl,” and “Cherub,” while The Byzantines era includes tracks such as “Village Liquors,” “Road Soda,” “Break the Levee,” and “High and Sad.”
Who are Franklin Jonas’ parents?
His parents are Denise Jonas and Paul Kevin Jonas Sr.
Who are Franklin Jonas’ siblings?
His brothers are Kevin Jonas, Joe Jonas, and Nick Jonas.
What did Franklin Jonas study?
Franklin trained in audio engineering at the Blackbird Academy and later pursued academic coursework including writing and astrophysics at Columbia University.
Why Franklin Jonas Is Building a Different Musical Identity
Franklin Jonas occupies an unusual position in contemporary music.
He inherited public recognition before establishing his own career. Millions of people knew his surname, his brothers, and even his childhood nickname before they had heard a Franklin Jonas song.
That could easily have resulted in a career based entirely on family recognition.
Instead, his musical development has increasingly emphasized differentiation.
Sewer Rat established that Franklin was willing to make personal alternative music rather than imitate the Jonas Brothers. The Byzantines took the separation further by placing Americana, folk instrumentation, storytelling, and roots music at the center of his sound.
His technical background in audio engineering also gives him a different relationship with recording. Franklin is not simply the voice at the front of the project; production and sonic experimentation are important elements of his creative process.
From “Bonus Jonas” to Franklin Jonas & The Byzantines
The simplest version of Franklin Jonas’ biography describes him as the youngest Jonas brother.
The fuller story is considerably more interesting.
Franklin began as a child surrounded by one of the biggest pop phenomena of his generation. He became an actor, voiced a major animated character, appeared in Disney productions, and experienced fame before reaching adulthood.
He then studied the technical side of music rather than immediately attempting to become another pop star.
Eventually, songwriting brought him back to performing.
Sewer Rat documented one stage of that process. Franklin Jonas & The Byzantines represents another: a more roots-oriented project shaped by Americana influences, storytelling, musicianship, and the idea of rebuilding after apparent endings.
Where Is Franklin Jonas Now?
In 2026, Franklin Jonas is actively working as a singer-songwriter and touring musician with Franklin Jonas & The Byzantines.
The project represents his clearest artistic identity to date, combining traditional Americana influences with contemporary production techniques.
His career now stretches from Ponyo and Disney Channel appearances to audio engineering, Sewer Rat, independent touring, Americana songwriting, and The Byzantines.
That evolution is central to understanding who Franklin Jonas is today.
Final Thoughts: Who Is Franklin Jonas?
Franklin Jonas is an American singer, songwriter, producer, musician, and actor born on September 28, 2000. He is the youngest brother of Kevin, Joe, and Nick Jonas, but his adult career has increasingly developed independently of the Jonas Brothers.
After becoming known as Frankie Jonas during childhood, Franklin studied audio engineering and eventually launched his own recording career. His debut EP, Sewer Rat, arrived in 2023 and introduced an alternative, autobiographical side of his songwriting.
Franklin Jonas & The Byzantines subsequently marked another evolution, bringing Americana, folk, roots instrumentation, and narrative songwriting into his work.
His famous surname remains an unavoidable part of his biography, but it no longer provides the complete definition of his career.
From child actor and “Bonus Jonas” to audio engineer, independent songwriter, producer, and Americana performer, Franklin Jonas has gradually turned an inherited public identity into a musical career with a character of its own.