I am a fully fledged name nerd but I have never heard of Aizen. [name_u]Blaise[/name_u] makes a fine name, I am not onboard with [name_u]Blaze[/name_u] though.
I really like all the names of your children and I would like to suggest a few boys names to go with
[name_u]Hunter[/name_u] and [name_m]Nathanial[/name_m]
[name_m]Lennox[/name_m] nn of [name_m]Len[/name_m] or [name_m]Knox[/name_m], [name_m]Lennox[/name_m] [name_u]Blaise[/name_u]
[name_m]Lachlan[/name_m] [name_m]Cooper[/name_m]
[name_u]Keegan[/name_u] means fiery, [name_u]Keegan[/name_u] [name_u]Blaise[/name_u]
[name_m]Jamieson[/name_m] [name_u]Blaise[/name_u]
[name_m]Israel[/name_m] [name_m]William[/name_m]
[name_u]Grey[/name_u] [name_u]Carlisle[/name_u]
[name_m]Griffin[/name_m] [name_m]Oliver[/name_m]
[name_u]Cruz[/name_u] [name_m]Raymond[/name_m]
[name_m]Levi[/name_m] [name_m]Emmanuel[/name_m]
[name_m]Zane[/name_m] [name_m]Lucas[/name_m]
[name_m]Preston[/name_m] [name_u]Avery[/name_u]
[name_m]Vaughan[/name_m] [name_u]Blake[/name_u]
[name_m]Julian[/name_m] [name_m]Paul[/name_m] nn [name_u]Jules[/name_u]
rollo