Talk:A Canterlot Wedding - Part 1/@comment-67.189.216.18-20120418231849/@comment-2.124.201.131-20120419122722

Neice and nephew doesn't nessecarily mean 'daughter or son of a sister' it's like Prince blue blood. He's Celestias mothers sisters great great (etc) grandson. It's just easier to say nephew rather that step nephew.