All of those look like yooneek spellings to me. Not a fan. The spellings Annalise and Evaline are much prettier, in my opinion. Fiene/Fina would be a cute nickname for a Seraphina, but I don't think it stands well on its own.
Yes, which was my exact intention. The character is Dutch and so I wanted to incorporate that into her name so...hence the unusual names and spellings. (: