[name_m]Cassian[/name_m] seems to go well with many middles 
[name_f][/name_f] Here are some ideas:
[name_m]Cassian[/name_m] [name_m]Barclay[/name_m]
[name_f][/name_f][name_m]Cassian[/name_m] [name_m]Bowie[/name_m] or [name_m]Brody[/name_m]
[name_f][/name_f][name_m]Cassian[/name_m] [name_m]Darrow[/name_m]
[name_f][/name_f][name_m]Cassian[/name_m] [name_m]Maxwell[/name_m]
[name_f][/name_f][name_m]Cassian[/name_m] [name_m]Rhodes[/name_m]