David Nelson was born 24 October 1936, New York, New York to Ozzie Nelson and Harriet Hilliard. He attended Hollywood High School.

David is a film producer in Newport Beach and also directed several episodes of The Adventures of Ozzie & Harriet.

He started his own commercial production company.

David had two boys by ex-wife, June Blair. Daniel Blair Nelson was born on August 20, 1962 and James Eric Nelson was born June 8, 1966 (both in Burbank, California at St. Joseph's Hospital)

He married Yvonne O'Connor Huston in 1975, adopting her three children. His stepdaughter Teri Nelson is married to game show host Chuck Woolery.

His twin nephews Matthew and Gunnar perform as The Nelsons. Matthew Nelson also performs with Red37 and Gunnar Nelson is a radio host. Nephew Sam Nelson sings in h is orange and Niece Tracy Nelson is an accomplished actress.
Son of Ozzie Nelson and Harriet Hilliard. His mother, the singer-actress Harriet Hilliard, appeared with him in the dramatic film Smash-Up on Interstate 5. Juvenile actor, later TV producer and director. Brother of actor/singer Ricky Nelson Father of Teri Nelson who was married to Chuck Woolery. Married first wife, June Blair, on 20 May 1961 at Forest Lawn Cemetery's Church of the Hills. Brother Ricky Nelson was the best man. Stopped by a ticket agent at John Wayne Airport after letters in the name "David Nelson" were red flagged for terrorists. Two police officers recognized Nelson and allowed him to board his flight. (December 2002) Is the last surviving cast member of The Adventures of Ozzie & Harriet. Star on Hollywood Walk of Fame. His star, for Television, is located at 1501 Vine Street in Holywood.