Saphi-Boo weed pony they shared with me, named Mary-Jane of course. I mentioned she could be Celestia’s niece who is the princess of weed. She’s not very well known, mostly because she’s a slacker who never leaves her section of the castle.
 
Celestia is particularly embarrassed when she’s mentioned. The rumor is that Celestia accidentally ate a “special” brownie before a huge meeting. You can’t mention her without Tia cringing a little. Technically she was raised with Cadence, but the weren’t anything like sisters. They’re more cousins than anything else. I also figure Mary was born an earth pony and ascended into alicornhood.
 
I hope you like the idea! ;_;