I'm not certain, but he wrote on his Twitter a few days ago 'Happy Birthday brother Bill' or something like that
Also:
In the liner notes of Pretty. Odd., he thanks both of his brothers Bill and Mike.
He has also mentioned before that one of his brothers is in a Red Hot Chili Peppers cover band in Chicago.
Yes he does, her name is Cassie(:
I don't think so
He's getting married today!
yes
The Young Veins
Yes. Brendon is getting married too.
She has two siblings, one is named Jon and other is named Helen.
Panic! At the Disco split up due to creative differences. Jon Walker and Ryan Ross have formed The Young Veins which produces music similar to the Beatles, and the remaining Panic! members are continuing the band.
any siblings
Jon's siblings haven't made any public statements about Jon and Kate.
Yes, Jon and Helen.
yes
Yes, two sisters
Jonathan Jacob Walker
Jonathan Jacob "Jon" Walker is 31 years old (born September 17, 1985).
Cassie.
she has 7 siblings but we dont know who the are
it is gold
she has seven siblings
January 12, 1952
09/17/85