Corin Redgrave was part of the third generation of a theatrical dynasty spanning four generations. His parents were Sir Michael Redgrave and Rachel Kempson; Vanessa and Lynn Redgrave were his sisters. His first marriage was to Deirdre Deline Hamilton-Hill (1939–1981). They had a daughter, Actress Jemma Redgrave, and a son, Luke, a camera operator and production assistant. Redgrave and Hamilton-Hill divorced in 1975. Redgrave and Kika Markham married in 1985 in Wandsworth, London, and remained together until Redgrave's death. The couple had two sons, Harvey (born 1979) and Arden (born 1983).