If you want to keep the subtle link to Italy:
Lucia
Chiara
Livia
Mia
Alba
Bianca
Marcella
Nina
Aria
(Florence would be too heavy handed)
Then I would pick a classic middle with a slightly 90s feel. So some combos:
Lucia Courtney
Chiara Heather
Livia Kate (my fave!)
Bianca Lauren
Mia Rachel