Talk:Pinkie Apple Pie/@comment-5837525-20131219090013/@comment-10390252-20131219101015

As I say, it could be that she is - distant cousinship through a mare that married into the Pie family, as I suggest below.

It is equally possible that she is not but decides that she wants to be - cue a lengthy, embarrassing 'chat' with Applejack about the requirements for such a move. Followed by an even more embarrassing conversation with Big Mac (embarrassing for him, at least; Pinkie is immune to that.