 Harold Rubin and his first wife, Riva Wainer, married in 1957, separated in the 1970s and divorced in 1975.Since 1976 he has been married to Miriam Kainy, a well-recognized Israeli dramatist particularly known for plays concerned with the subject of Jewish–Arab relations and feminist themes.His family included two sons from his first marriage, as well as one daughter and two stepdaughters from his second.