[name_f]Isabel[/name_f] [name_u]Spence[/name_u], [name_f]Lila[/name_f] [name_u]Spence[/name_u] and [name_f]Charlotte[/name_f] [name_u]Spence[/name_u] are my favourites. In that order, I think.
I know it’s not the best flow, but [name_f]Eve[/name_f] [name_u]Spence[/name_u] would be the most sophisticated, I think. What about just [name_f]Eva[/name_f] [name_u]Spence[/name_u]? That would be perfect both flow-wise and sophistication-wise!