This is a long, random list of sibsets I know in real life–WDYT?
[name]Katherine[/name] “[name]Katie[/name]” & [name]Elizabeth[/name] “[name]Betsy[/name]” (twins)
[name]Samuel[/name] “[name]Sam[/name]” & [name]Kaitlin[/name] “[name]Katie[/name]”
[name]Lela[/name], [name]Sophia[/name] (twins) & [name]Eli[/name]
[name]Justin[/name], [name]Cody[/name], & [name]Nicholas[/name] “[name]Nick[/name]”
[name]Sophia[/name] “[name]Sophie[/name]” & [name]Natalie[/name]
[name]Nolan[/name] & [name]Adeline[/name]
[name]Samuel[/name] “[name]Sam[/name]” & [name]Elijah[/name]
[name]Sophia[/name] & [name]Wyatt[/name]
[name]Emma[/name] & [name]Muriel[/name] (twins)
[name]Maia[/name] & Qwynn
[name]Sophia[/name], [name]Sasha[/name] (f), & [name]Tova[/name]
[name]Nehemiah[/name] & [name]Samuel[/name] “[name]Sam[/name]”
[name]Emma[/name] & [name]Otto[/name]
[name]Sophia[/name] “[name]Sophie[/name]” & [name]Veronika[/name]
[name]Maya[/name], [name]Alijah[/name], [name]Marietta[/name] “[name]Etta[/name],” & [name]Lucia[/name]
[name]Sofia[/name] & [name]Bianca[/name]
[name]Melanie[/name], [name]Brina[/name], & [name]Natalie[/name] “[name]Nat[/name]”
[name]Sydney[/name] “[name]Scout[/name]” (f) & [name]Ethan[/name]
[name]Emma[/name], [name]Maxwell[/name] “[name]Max[/name],” & [name]Ethan[/name]
[name]Aiden[/name] & [name]Koen[/name]
[name]Madison[/name], [name]Shaylee[/name], & [name]Marshall[/name]
[name]Sidney[/name] (f) & [name]Michael[/name]
[name]Iris[/name] & [name]Salvador[/name]
[name]Cali[/name] & [name]Matthew[/name]
more later…