Description
She's from Hasbro's My Little Pony: Friendship is Magic. Template made by darknessawakens13.
Since she's the adoptive niece of Celestia and Luna and when she married Shining Armor, that would make her Twilight and Spike's sister-in-law and it makes them Celestia and Luna's adoptive nice and nephew-in-law. Twilight has indeed got herself a very fancy royal family.