I would choose something soft, earthy and recognisable.
[name_f][/name_f][name_m]Emrys[/name_m] [name_m]Jude[/name_m]
[name_f][/name_f][name_m]Jovian[/name_m] [name_f]Darcy[/name_f]
[name_f][/name_f][name_m]Leif[/name_m] [name_m]Alistair[/name_m]
[name_f][/name_f][name_m]Oberon[/name_m] [name_m]Silas[/name_m]