Oh, I love this so much! Your kiddos’ names are my happy place.
How about:
Elead
Caspian (I love the C.S. Lewis connection between this and R’s name!)
Phinneus
Noadiah
Cyrus
Solomon
Cedar
Valor
Japheth
Jethro
Jericho
Jubal
Worthy
Nathanael
Cedric
Augustine
Bartholomew
Finnian
Nehemiah
Constant
Nicodemus
Aurelian
Prosper
Caerwyn
Wyeth
Griffith