All of your choices are gotgeous but I love [name_f]Audrey[/name_f] the most, followed by [name_f]Catherine[/name_f]. I think they go the best with [name_f]Milena[/name_f] and your surname, and with [name_m]Leon[/name_m].
Other suggestions:
[name_f]Anya[/name_f]
[name_f]Alice[/name_f]
[name_f]Zoe[/name_f]
[name_f]Agnes[/name_f]
[name_f]Charlotte[/name_f]
[name_f]Sylvie[/name_f]
[name_f]Isabel[/name_f]
[name_f]Florence[/name_f]
[name_f]Esme[/name_f]