Do you have OJD?(jonas brothers)

Do you have OJD,a diasese for jonas brothers fans.

1 How many Jonas boys are they?
2 What is Nick Jonas's real name?
3 What is Joe Jonas's real name?
4 What is the 'BONUS JONAS"nickname and real name?
5 What is Kevin Jonas's real name?
6 Which Jonas brother has Type 1 diabetes?
7 What are their parents' names?
8 When was Nick Jonas born?
9 Where was Joe Jonas born?