[name_m]John[/name_m] [name_m]Nathaniel[/name_m] is so handsome! I did not make the connection to [name_m]Jonathan[/name_m] at all until you mentioned it. Plus, [name_m]Nathaniel[/name_m] will be a middle name and probably not used as much? Unless you’re planning on using it like a double barrel?
Here’s a few other ideas:
[name_m]John[/name_m] [name_m]Caleb[/name_m]
[name_m]John[/name_m] [name_m]August[/name_m]
[name_m]John[/name_m] [name_m]Malachi[/name_m]
[name_m]John[/name_m] Maxwell/Maximilian
[name_m]John[/name_m] [name_m]Finnian[/name_m]
[name_m]John[/name_m] [name_m]Rory[/name_m]
[name_m]John[/name_m] [name_m]Xavier[/name_m]
[name_m]John[/name_m] [name_m]Matthias[/name_m]
Good luck!