He had 3 children with his first wife, Roseanne: daughter, Elizabeth, daughter, Andrea, and son, Michael. He had one child with his second wife, Helena: son, Jaik.
He died from renal failure at his home in Westwood, Los Angeles.
Everett loved playing chess and was highly skilled at the game. He would engage in chess matches with masters.
His other interests included Geology, Astronomy, and Philosophy. He was also a great fan of science fiction.