Boy name to go with Louis?

[LadyBoy]

Hi, I'm expecting another boy. DS1 is Louis (we're not French - we just like the name).

Had a fair few girls' names but typically can't find a boy's name that we both love.

What would you expect Louis's brother to be named?

Is that Lewis like inspector morse's sidekick or Louie like the bloke from pineapple studios?

You could continue on the french theme - other french kings were Philip, Robert, Henry and Francis, all of which I think are rather good. I'd steer clear of Bonaparte though

Charles, George, Oliver, Alexander, Edwin, Felix, Alaric, Frederick, Milo, Gabriel, Samuel, Sebastian, Lawrence, Cassius, Julian, David, Nathaniel, Tristan, Theodore, Philip, Marcus, William

My uncle and dad were Louis and Paul.

I know a Louis and Albert.

Thank you. I really do like Albert - will run it past DH.