Finish my sib set please

Please help, I need a boy’s name to finish by name list.

Right now I have two girl names that I love: [name]Emmeline[/name] & [name]Arabella[/name].

What would name would you give to the brother of [name]Emmeline[/name] & [name]Arabella[/name]?

I like names like [name]Theodore[/name] & [name]Alastair[/name], but I am not sold yet…

Oops, forgot to mention my last name is [name]Cruise[/name].

[name]Alastair[/name] is a lovely name .

Other names you might like:-

[name]Barnaby[/name]
[name]Jeremiah[/name] (nn [name]Jem[/name])
[name]Montgomery[/name]
[name]Miles[/name]
[name]Rufus[/name]

I like [name]Alastair[/name] but feels it does not mesh well with the girls names. [name]Arabella[/name] and [name]Emmeline[/name] have a vintage feel to me.
What about:
[name]Cyrus[/name]
[name]Gideon[/name]
[name]Noah[/name]
[name]August[/name]
[name]Leo[/name]
[name]Levi[/name]
[name]Silas[/name]
[name]Sebastian[/name]
[name]Theo[/name]
[name]Thaddeus[/name]

[name]Hope[/name] one of these helped! Good [name]Luck[/name]!

[name]Emmeline[/name], [name]Arabella[/name], and [name]August[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Porter[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Merritt[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Simeon[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Ambrose[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Emerson[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Tobin[/name] [name]Cruise[/name]

[name]Emmeline[/name], [name]Arabella[/name], and [name]Sebastian[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Vaughn[/name] [name]Cruise[/name]
[name]Emmeline[/name], [name]Arabella[/name], and [name]Rupert[/name] [name]Cruise[/name]