- Originally aspired to be a comedian.
- Appeared on Broadway in the children's chorus of Baz Luhrman's 2002 revival of Puccini's La Bohème.
- Handled keyboard, guitar, percussion and lead vocals in the squeaky-clean pop-rock band the Jonas Brothers, which he formed in 2006 with siblings Kevin and Nick.
- Wore a purity ring on his left hand as "a promise to myself and God to stay pure until marriage."
- Blanda Eggenschwiler — Ex-significant Other
- Nick Jonas — Brother
- Camilla Belle — Ex-significant Other
- Ashley Greene — Ex-significant Other
- Denise Jonas — Mother
- Kevin Jonas — Brother
- Taylor Swift — Ex-significant Other
- Kevin Jonas Sr. — Father
- Franklin Jonas — Brother
Season 1, Episode 9
- Birth Name: Joseph Adam Jonas
- Birth Place: Casa Grande, Arizona, United States
- Birthday: August 15, 1989, Leo
- Profession: Musician, Singer
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