What would you name a sibling to...?

General Name Discussion
1115

[name_f]Cerys[/name_f] [name_f]Adeline[/name_f] and [name_m]Chadwick[/name_m] [name_m]Alexander[/name_m].
[name_f]Sister[/name_f] to [name_f]Nola[/name_f] [name_f]Marine[/name_f]?