Talk:A Canterlot Wedding - Part 2/@comment-209.121.36.235-20120325175102/@comment-89.8.206.224-20120326145448

You don't know that, she doesn't nessisarily have to be Prince Blueblood's sister because they may have different parents. My mom has 8 nieces/nephews (my cousins) and only three of them are siblings.