Keeler had two nephews who also worked in the film business. Joey D. Vieira, also known as Donald Keeler, is best remembered for portraying Sylvester "Porky" Brockway on TV's "Lassie" (retitled "Jeff's Collie" in syndicated reruns and on DVD) from 1954 to 1957. Vieira's brother, Ken Weatherwax, played Pugsley Addams on the 1960s TV series "The Addams Family". Ruby's son John Lowe had a career as a Broadway stage manager for a number of productions beginning with "No, No, Nanette" in 1970.