Oscar's family

 OSCAR  ’ s family.

Unseen

 * Twin Nephew s  Floyd & Lloyd — mentioned in  episode 0 33 9
 * Nephew  TIMOTHY GROUCH  — Mentioned in "  The  NO  Song  "
 *  UNCLE LOUIE  — mentioned in  A Special  SESAME   STREET  Chris t m a s 
 * Uncle Ebenezer  GROUCH  — mentioned in  episode 0 7 1 0
 * Cousin s Fred & Ethyl —  SESAME   STREET  Stay s U p L ate