If you are asking which Jonas brother dated Taylor Swift, that is Joe Jonas.
She dated Joe.
Taylor swift does not have a sister only a brother.
No, she is too old for him.
Yes, it is true that Justin Bieber and Taylor Swift have dated before.
2 days Taylor Swift is ugly he said
Taylor Swift have only one brother and the name of that brother is called Austin Swift.
Taylor swift's brother is like 19 or 20 now.
No, her brother's name is Austin Swift.
Taylor Swift according to Wikipedia has one brother named 'Austin'.
In early 2008 Joe dated Taylor.
No, they haven't dated.
Austin Swift is Taylor's Tour Photographer