You’re in a great position having one name you both love! I think of [name_m]Julian[/name_m] as an underused classic so I think it’s a very strong choice.
[name_f][/name_f]You’ve already had lots of great suggestions so I’ll only add a few.
[name_f][/name_f][name_m]Colin[/name_m]
[name_f][/name_f][name_m]Reuben[/name_m]
[name_f][/name_f][name_m]Noel[/name_m]
[name_f][/name_f][name_m]Cedric[/name_m]
[name_f][/name_f][name_m]Otto[/name_m]
[name_f][/name_f][name_m]Hugh[/name_m]
[name_f][/name_f][name_m]Abel[/name_m]
[name_f][/name_f][name_f]Marlowe[/name_f]
[name_f][/name_f][name_m]Rudy[/name_m]