This was a fun challenge! I used to have oodles of biblical names, but most of them didn’t survive my leaving the faith. I still think they’re beautiful though, so I’m always happy to recommend some to others!
From your existing ideas, my favorites are [name_m]Simon[/name_m] (great with your sibset), [name_m]Dominic[/name_m] (very dashing, though I think it pairs much better with [name_f]Geneva[/name_f] than Bethany), and [name_m]Malachi[/name_m] (just love the look and sound of this and the nickname potential). [name_f]Geneva[/name_f] [name_f]Elise[/name_f] is a beautiful combo by the way!
Some biblical suggestions:
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Linus[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Ezra[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Simeon[/name_m] [name_m]Andrew[/name_m] (similar to [name_m]Simon[/name_m] but without the game reference)
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Titus[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Ira[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Elias[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Gideon[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Reuben[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Cyrus[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Ishmael[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Marcus[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Nathaniel[/name_m] [name_m]Andrew[/name_m] (since you liked Nathan)
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Phineas[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Zachary[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Enoch[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Matthias[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Hiram[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Tobias[/name_m] [name_m]Andrew[/name_m]
Non-biblical suggestions:
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Everett[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Clark[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Malcolm[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Vincent[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Ethan[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Benedict[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Emerson[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Callum[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Wesley[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Hudson[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_u]Merritt[/name_u] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Nicholas[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Eamon[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Gavin[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Deacon[/name_m] [name_m]Andrew[/name_m]
[name_f]Geneva[/name_f] [name_f]Elise[/name_f], [name_f]Bethany[/name_f] [name_f]Gayle[/name_f], and [name_m]Orson[/name_m] [name_m]Andrew[/name_m]