Board Thread:Wiki-Related Discussion/@comment-3440938-20180505055552/@comment-2153169-20180505084344

That's not even a discutable point.

"Will we be able to recognize any of these new witches? Kitsis: We'll definitely recognize a few of their names, absolutely. These are witches from iconic fairytales or Disney lore."

source: http://www.tvguide.com/news/once-upon-a-time-bosses-lesbian-alice-robin-anastasia/

The answer is straight and absolutely clear. Adding the series and the other interview... Leota is absolutely and positively a member of the Coven by 710. Aka she was sent to Seattle.

Whatever happened next is the debatable point ^^