he was 12 but then it wasnt called the Jonas brothers Kevin and joe were just helping to develop nick's solo career but i guess he was like 14 when they offficially came the Jonas Brothers
Nick was 13. Joe was 16. Kevin was 19.
nick was 10 joe was 13 and Kevin was 15
Nick-12 Joe-15 Kevin-17
nick started singing when he was 6 but the band startd when he was 13 joe was 16 and Kevin was 18
he was 11
He was 14!
79
he was 13 years old when they started the Jonas brothers.
When Jonas Brothers' first CD "It's About Time" came out, Nick Jonas was 13
i think he was 13 years old
He is either 16 or 17!
Nick Jonas from the Jonas Brothers says that you need to be at least 14-16 to date him. He is 15. turning 16 in september.