Genuinely love [name_f]Rosemary[/name_f] with your [name_f]Elowyn[/name_f] 
[name_m]Imo[/name_m] something short and sweet works best, here are my suggestions:
[name_f]Rosemary[/name_f] [name_m]Sol[/name_m] (my fave bc of [name_f]Rae[/name_f])
[name_f]Rosemary[/name_f] [name_f]Dove[/name_f] or [name_f]Love[/name_f]
[name_f]Rosemary[/name_f] [name_f]Bee[/name_f] or [name_f]Bea[/name_f]
[name_f]Rosemary[/name_f] [name_f]Doe[/name_f]
[name_f]Rosemary[/name_f] Vow
[name_f]Rosemary[/name_f] [name_f]Lark[/name_f]
[name_f]Rosemary[/name_f] [name_f]Noa[/name_f]
Good luck finding the perfect middle! 