I like it now that I know how to pronounce it. :) It's one of those names like
Hermione that I never knew how to pronounce correctly and now that I do I think it's rather nice though a bit on the stuck-up side.
So what about something classic and beautiful as a MN of FN because
Persephone is rarely heard and might be considered out there as far as style.
Persephone GracePersephone IsabelPersephone RosePersephone SophiaPersephone VioletPersephone AbigailPersephone AdelaidePersephone MariaPersephone ElizabethPersephone AlexandraPersephone Irene
or
Eleanor PersephoneJuliet PersephoneLydia PersephoneKatherine PersephoneVictoria PersephoneAlexandra PersephoneSylvia PersephoneOlivia PersephoneEmma PersephoneAnna PersephoneMadeline Persephone
One thing though, it makes any name rather long! :)