If you are asking which Jonas brother dated Taylor Swift, that is Joe Jonas.
In early 2008 Joe dated Taylor.
Taylor Swift dated Joe Jonas but was dumped in a 27 second phone call
Taylor Swift Demi Lovato
Taylor Swift? YES SHE DATED JOE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Yes, it is true that Justin Bieber and Taylor Swift have dated before.
I believe she was 18 or 19.
Joe Jonas has dated Taylor Swift, and Camille Belle. Now he is in a deep relationship with Karolina Jasko.
She dated a guy named Sam who Shouldve said no is about and then she dated Joe Jonas and Taylor Lautner but is now single
Joe Jonas dated her for a short time around Christmas in 2009.
He dated Taylor Swift but then they broke up last year...
, Mandy Van Duyne, Taylor Swift, AJ Michalka, Camilla Belle