It's sorta cute. I think it could grow on me. I don't care for the -wyn ending for girls, personally, so I might go with Raewen instead.
Raewyn Louisa
Raewyn Adela
Raewyn Tess
Raewyn Gloria
Raewyn Sibylla
Raewyn Edith
Raewyn Briar
Raewyn Lana
Raewyn Eliza
...eh, I don't know. The more I say it, the more it sounds like Raven with a speech impediment.