Talk:The Crystalling - Part 1/@comment-4531200-20160326191320/@comment-7345250-20160326191527

Again, no one in the show says that.

Celestia and Luna are older than the nation of Equestria, and it is unlikely that they have any memories of their own birth. Therefore, their knowledge on the subject, or lack thereof, says nothing about their status as Alicorns.