Crazy MLP theory

So, I just thought of this.

In the episode, "Griffon the brush off," Pinkie says the following to Fluttershy:

So, here is the theory.

On the rock farm Pinkie grew up on, Maud gave birth to a young Pegasus. Unable to take care of her, or maybe to get rid of the same, she put her up for adoption. A year later, Pinkie Pie was born. Maud wanted to get her child back, but she had already been adopted by a nice Pegasus family. Life went on as usual. Then, Pinkie Pie moved to Ponyville. She found Fluttershy. Maud never told Pinkie Pie, but the pink mare knew that they were aunt and niece.

This may seem weird, but there is more...

Both Pinkie and Fluttershy have light pink somewhere on them. Then, there is Pinkie's child:

https://www.bing.com/images/search?view=detailV2&id=CD659FE2BA0FED7805443AD14450F8CF22CF7AAD&thid=OIP.LHQBoUZUwJwLLc9P0pavwQHaD7&mediaurl=https%3A%2F%2F1.bp.blogspot.com%2F-DjxH47U2uXc%2FXaKzpnPs9EI%2FAAAAAAADQwo%2FCeCbXTxSLK0RPFzKISRR9xFSvohU34qzACLcBGAsYHQ%2Fs1600%2F1.JPG&exph=768&expw=1447&q=mlp+the+last+problem+pinkie&selectedindex=2&ajaxhist=0&vt=0&eim=0,1,2,3,4,6,8,10&ccid=LHQBoUZU&simid=608018994442996836&sim=11

Just copy paste.

Well, this was a random thought by me.