I think [name_m]Abel[/name_m] was a brilliant suggestion, just like [name_f]Miriam[/name_f] in that it’s credentials as a classic are impeccable, but is so underused it feels fresh
Other ideas:
[name_f]Miriam[/name_f] and [name_u]Elias[/name_u]
[name_f]Miriam[/name_f] and [name_m]Xavier[/name_m]
[name_f]Miriam[/name_f] and [name_m]Ezra[/name_m]
[name_f]Miriam[/name_f] and [name_u]August[/name_u]
[name_f]Miriam[/name_f] and [name_m]Raphael[/name_m] ‘[name_m]Rafi[/name_m]’ or ‘[name_f]Rafa[/name_f]’
[name_f]Miriam[/name_f] and [name_m]Nicolai[/name_m]
[name_f]Miriam[/name_f] and [name_m]Isaac[/name_m]
[name_f]Miriam[/name_f] and [name_m]Tobias[/name_m] (I think this works well!)
[name_f]Miriam[/name_f] and [name_u]Seth[/name_u]
[name_f]Miriam[/name_f] and [name_m]Felix[/name_m]
[name_f]Miriam[/name_f] and [name_m]Victor[/name_m]
[name_f]Miriam[/name_f] and [name_m]Solomon[/name_m]
[name_f]Miriam[/name_f] and [name_m]Ivan[/name_m]
[name_f]Miriam[/name_f] and [name_m]Iver[/name_m]
[name_f]Miriam[/name_f] and [name_m]Benedict[/name_m]
[name_f]Miriam[/name_f] and [name_u]Jude[/name_u] (I like this set)
[name_f]Miriam[/name_f] and [name_m]Roman[/name_m]
[name_f]Miriam[/name_f] and [name_m]Reuben[/name_m]
[name_f]Miriam[/name_f] and [name_m]Simon[/name_m]