I think
Rosalia is okay--I don't love it, but I don't hate it either. I'd pronounce it ro-ZAH-liah (not LEE-ah, but as one quick syllable without any emphasis). I think
Maya for her mother's name sounds great, but
Ronan sounds weird. It's a name I love but it doesn't fit here. Maybe
Alonso?
Diego? As for
Marilyn, I don't like it.