Here are some ideas to get you started.
[name]Knox[/name] [name]Elliot[/name]
[name]Knox[/name] [name]Benjamin[/name]
[name]Knox[/name] [name]Samuel[/name]
[name]Knox[/name] [name]Everett[/name]
[name]Knox[/name] [name]Daniel[/name]
The reason I wouldn’t go with [name]Knox[/name] and [name]Maddox[/name] is 1) they are a bit matchy; and 2) I think they are names of [name]Brad[/name] and [name]Angelina[/name]'s kids.