This Fred/OC fic has only three chapters so far but I love it so much!!!!! Take a read if you have the time!
Title: Mysterious
Summary: Bellatrix gave up her daughter... Now her daughter is the sister of Nymphadora... And she is involved with the Weasley Twins, was this the life she wanted or the life she was given? Read and Review!
Story: http://www.fanfiction.net/s/6757556/1/