OC name: Elliandria Andante

Daughter of Snape (drunk hook up. He didn't even know she existed until she showed up at Hogwarts at 19)

Mother was a Death Eater that betrayed Voldemort

Age: varies by story but always 19+

Background: Raised my her mother in the States. Was homeschooled until her mother "died" and started Ilvermorny in Year 1 at 14.
Friends with the Golden Trio.
Slytherin
Mostly resistant to the Cruciatus Curse

Appearance: Long brown hair, blue eyes, short in height. Has the bottom inch of the Dark Mark on her left forearm. (Dark mark becomes part of your dna so she inherited part of it.)

Will update if I think of any other necessary information.