Hi! [name_m]You[/name_m] have such lovely choices. I immediately knew I like [name_f]Mathilde[/name_f] in the last position (something about the sound and flow is a perfect balance to [name_f]Vivienne[/name_f]) but I struggled with what to pick second because there are so many options! I think my top three are:
[name_f]Vivienne[/name_f] [name_f]Ophelia[/name_f] [name_f]Mathilde[/name_f] - for a more formal, princess-esque feel
[name_f]Vivienne[/name_f] [name_f]Aoife[/name_f] [name_f]Mathilde[/name_f] - for delicate, fairy-like sound
[name_f]Vivienne[/name_f] [name_f]Leah[/name_f] [name_f]Mathilde[/name_f] - for a more down-to-earth, approachable feel
Bonus: if you pronounced [name_f]Hannah[/name_f] with an “Aw” sound in the first syllable, [name_f]Vivienne[/name_f] [name_f]Hannah[/name_f] [name_f]Mathilde[/name_f] is a lovely choice that splits the difference tonally between all three!