Immediate family
Extended family
Sue (aunt)
Elmer (cousin)
Jack (uncle)
Jill (aunt)
Jesse (cousin)
Chester (cousin)
Chester's Dad (uncle)
Chester's Mom (aunt)
Furgus (uncle)
Funella (aunt)
Phoebe (cousin)
Mimsy (cousin)
Pepe (cousin from Mexico)
Elmo-noske (cousin from Japan)
Selmo (great-grandfather)
Bebe (cousin)
Zelmo (cousin)
Albie & Jo-Jo (cousins)
Malcolm (cousin)
Mentioned
- Episode 2186 - Cousins Delmo, Jellmo, Selmo, Felmo, Belmo, Melmo, Gummo, and Zeppo