[name_f]Bess[/name_f] is the sweetest nickname for [name_f]Isabella[/name_f] !
I feel like for a sibling I would lean into the more traditional vintage names
[name_f]Meredith[/name_f] (Edie)
[name_f]Bridget[/name_f] ( [name_f]Birdie[/name_f])
[name_f]Abigail[/name_f] ( [name_f]Gail[/name_f])
[name_f]Adelaide[/name_f] (Dell)
[name_f]Simone[/name_f] ( [name_f]Moe[/name_f])
For a brother
[name_m]Spencer[/name_m] ( [name_m]Penn[/name_m])
[name_m]Benjamin[/name_m] ( [name_m]Ben[/name_m])
[name_m]Matthew[/name_m] ( [name_m]Hugh[/name_m])
[name_m]Edward[/name_m] ( [name_m]Eddie[/name_m])
[name_m]Nathaniel[/name_m] ( [name_m]Nate[/name_m])