I like [name_f]Alice[/name_f] and [name_f]Celia[/name_f], [name_f]Cornelia[/name_f] and [name_f]Caroline[/name_f], and [name_f]Rosalind[/name_f] and [name_m]Lisandro[/name_m]!
Some others:
[name_m]Tate[/name_m] and [name_f]Etta[/name_f]
[name_f]Medina[/name_f] and [name_m]Damien[/name_m]
[name_f]Sarai[/name_f] and Isara
[name_m]Isaac[/name_m] and [name_f]Casia[/name_f]
[name_f]Lottie[/name_f] and [name_m]Eliott[/name_m]
[name_m]Blaise[/name_m] and [name_f]Isabel[/name_f]
I adore [name_f]Alice[/name_f] & [name_f]Celia[/name_f], [name_f]Elmira[/name_f] & [name_f]Mariel[/name_f], and [name_f]Caroline[/name_f] & [name_f]Cornelia[/name_f]!
Didn’t have time to look through the whole thing, but a few others that are cute:
[name_m]Abel[/name_m] & [name_f]Elba[/name_f]
[name_m]Aeron[/name_m] & [name_f]Enora[/name_f]
[name_f]Alienor[/name_f] & [name_f]Loraine[/name_f]
[name_f]Lottie[/name_f] & [name_m]Eliott[/name_m]
[name_f]Medina[/name_f] & [name_m]Damien[/name_m]
[name_f]Thelma[/name_f] & [name_m]Hamlet[/name_m]
[name_f]Alice[/name_f] and [name_f]Celia[/name_f] are my favorite from your list!
I also like…
[name_f]Daniela[/name_f] & [name_f]Adaline[/name_f]
[name_f]Diana[/name_f], [name_f]Adina[/name_f], & [name_f]Nadia[/name_f] (Aidan would work too but I like the multilingual feel of the girls’ set)
[name_f]Sonja[/name_f] & [name_m]Jason[/name_m]
[name_f]Orli[/name_f] & [name_m]Lior[/name_m]
[name_m]Aeson[/name_m] & Seona (ay-son and sho-na)
[name_m]Lukas[/name_m] & [name_m]Klaus[/name_m]
[name_f]Naima[/name_f] & [name_f]Amina[/name_f]
A few other sets I know:
[name_m]Jason[/name_m] and [name_m]Jonas[/name_m]
[name_m]Aidan[/name_m] and [name_f]Nadia[/name_f]
[name_f]Leona[/name_f] and [name_f]Olena[/name_f]
[name_m]Leon[/name_m] and [name_m]Noel[/name_m] and [name_m]Elon[/name_m]
Some of these would be really great siblings - I think if I had twin girls right now I’d name them [name_f]Alice[/name_f] and [name_f]Celia[/name_f], I love the names, love them together and love the connection!
[name_m]Abe[/name_m] and [name_f]Bea[/name_f]
[name_m]Micah[/name_m] and [name_m]Chaim[/name_m]
[name_f]Nadia[/name_f] and Aidan/Nadia and [name_f]Diana[/name_f]
[name_m]Davi[/name_m] and [name_f]Vida[/name_f]
[name_f]Dalia[/name_f] and [name_m]Adlai[/name_m]
[name_f]Adria[/name_f] and [name_m]Adair[/name_m]
Agostina and [name_m]Santiago[/name_m]
[name_f]Lela[/name_f] and [name_m]Lael[/name_m]
[name_f]Alizée[/name_f] and [name_f]Azélie[/name_f]
[name_f]Maialen[/name_f] and [name_f]Amelina[/name_f]
[name_f]Anja[/name_f] and [name_f]Jana[/name_f]
[name_m]Azarel[/name_m] and Lazaré
[name_m]Klaus[/name_m] and [name_m]Lukas[/name_m]
[name_f]Corinna[/name_f] and [name_m]Nicanor[/name_m]
[name_m]Brady[/name_m] and [name_f]Darby[/name_f]
[name_f]Drea[/name_f] and [name_m]Read[/name_m] (although I like [name_f]Drea[/name_f] and [name_m]Reid[/name_m] or [name_m]Reed[/name_m] more lol)
[name_f]Elodia[/name_f] and [name_f]Odelia[/name_f]
[name_f]Esme[/name_f] and [name_m]Mees[/name_m]
[name_m]Ezra[/name_m] and [name_f]Reza[/name_f]
[name_m]Ignatius[/name_m] and [name_f]Giustina[/name_f]
[name_f]Iris[/name_f] and [name_f]Siri[/name_f]
[name_m]Laurent[/name_m] and [name_m]Renault[/name_m]
[name_m]Aramis[/name_m] and [name_f]Marisa[/name_f]
[name_f]Zara[/name_f] and [name_f]Azra[/name_f]
[name_f]Elva[/name_f] and [name_f]Vale[/name_f]
[name_m]Viorel[/name_m] and [name_m]Oliver[/name_m]
Priscus and [name_m]Crispus[/name_m]
[name_m]Ozias[/name_m] and [name_f]Zosia[/name_f]
Skipped over R, S, and T… I spent entirely too long on this as it is