Untold

She was the last person you'd expect to be related to someone evil.
Abigail Riddle didn't know it,but she was the grand daughter of Tom Marvolo Riddle otherwise known as Lord Voldemort.
Being raised in a protection freak muggle household one letter changes her life forever,and soon a quest to find her birth parents begins.
But then things get a bit complicated when Harry Potter,the boy who lived gets into Hogwarts.

I suck at descriptions sorry :(
ALL CHARACTERS EXCEPT MY OC's BELONG TO J.K ROWLING