Brother-in-law of Marshall Thompson
Father of three children with Mara Corday: Carey Long, Gregory and Valerie Long.
Cousin, by marriage with Suzan Ball, of Lucille Ball.
Brother of Barbara Long.
Richard had three children - Carey (1957 - 2008), Valerie (born 1958), and Gregory (born 1960).
Richard's son Carey passed away in 2008, he inherited his dad's heart problems. He outlived his dad by 3 years, age wise. He was 50 years old at the time of his death.
David Janssen, a friend since both were under contract with Universal-International in the early 1950s, was his neighbor in 1958. Both died in their late 40s from heart attacks.