I love
Arabella. It is the only 'frilly' name I like, and I would use it one day.
My cousin has a daughter named
Arabella and she goes by
Ari and never
Bella. I hate
Bella but love
Ari.
My cousin's four kids are
Arabella,
Charlotte,
Henry and
Rose (for some sibling ideas) and other suggestions:
CeciliaLaurelMaeJaquelinePenelopeLillianVeronicaVivienneOpheliaOctaviaSerenaZaraDaphneAlexandraFloraVerityTaliaFrances
TheodoreJackIsaacCharlieMilesWilliamNathanielJonathanEdwardJames
Any you like?