I don't really know much about which names are already taken or not.
But
Alice would make a lot of sense if it is a family name for them as it is also a popular name in Italy and goes with the surname.
I despise
Alexandra, but
Alessandra would be fine.
Maybe:
Francesca,
Eleonora,
Ginevra,
Alice,
Alessandra,
Giuliana,
Carlotta.
Or maybe they will choose an English classic:
Alice,
Lillian,
Victoria,
Isabelle.
No idea. I just think that
Alice is likely and they will probably also use
Elizabeth as a middle name and maybe
Sarah?
Alice Sarah Elizabeth?
Alice Elizabeth Sarah?
In any case, I think they don't have any restrictions, so it might be
Alice but it might also be something like Betty-Sue,
Shelby or
Juniper.
Please rate my list:
https://www.behindthename.com/pnl/6232