These are all real life sibsets I know, with one of them missing. The ones missing are listed below. Just try and match them up again! Please fill in the blanks in ALL CAPS for clarity. I'll reply to your message, telling you how many you got correct :)
Siblings are in birth order.
Claire (f), Philip (m) and ___ (f)
___(m), Ralph (m) and Luc (m)
Kim (f), Leslie (f) and ___ (m)
___ (f) and Tristan (m)
Damian (m) and ___ (f)
___ (m), Ruben (m) and Bette (f)
Lewis (m), ___ (m) and Indy (f)
___ (f) and Sylvia (f)
Dennis (m), ___ (f) and Gwendolyn
Michel (m), ___ (m) and Sylvia (f)
These are missing:
Boys: Edgar, Jody, Richard, Roman, Sem
Girls: Bibia, Jessica, Julia, Nina, Vivian