When they became very popular Nick was 13, Joe was 16, and Kevin was 18 i think.
He was 16 years old.
When Jonas Brothers' first CD "It's About Time" came out, Nick Jonas was 13
Nick was 13. Joe was 16. Kevin was 19.
I was about 15 or 16.
The Jonas brothers were about 10 or 11.
He was 18
About 18. XD.
I believe Joe Jonas was 16 years old BELIEVE IT OR NOT
Nick- 13Joe- 16Kevin- 19
With 6 he was on Broadway and with 12 he released his first album, with 13 the Jonas brothers released their first album but really famous he became with 14 when they released the "Jonas Brothers" album.
he was 18
Nick was 2. He was discovered in a barbershop. Nick started the 'Jonas Brothers'. The first song they wrote was 'Please be mine'.