In an interview with People Magazine, Melissa Rivers revealed how her year- old son Cooper Endicott is coping with Joan Rivers' death now. jpg x Joan rivers and edgar cooper endicott joanrivers comedyqueen joan rivers joan rivers river mariah carey jpg · Download Image. Edgar Cooper Endicott played at Fall IL Recruiting Invitational: Session II. 11/11/ Submit Updates. Report InterestReport CommitmentClub TeamHigh . 18 Posts - See Instagram photos and videos from Coop (@pethydro.orgtt). Cooper Endicott is the sweet grandson of Joan Rivers, son to Melissa Rivers. Read on for the View More on Instagram Cooper's full name is actually Edgar Cooper Endicott, named after his grandfather Edgar Rosenberg. Edgar Cooper Endicott was named after Melissa's father Edgar Rosenberg she shared of her son on Instagram: “My friend Chris took this pic. Cooper Endicott, Joan Rivers' grandson, has shared some of his unknown facts to his beloved fans. It is mentioned that he is named after his grandfather and his real name is Edgar Cooper Endicott. 1) Cooper Endicott is Son of Actress Melissa Rivers And John Endicott. Edgar Cooper Endicott Latest Breaking News, Pictures, Videos, and Special Reports from The Economic Times. Edgar Cooper Endicott Blogs, Comments and . “panic” about becoming an empty-nester when her year-old son, Cooper Endicott, goes off to college next fall. View More on Instagram.