Astin subsequently adopted Sean. In 1973, Duke gave birth to Astin's brother, Mackenzie Astin, who also became an actor. Duke and John Astin divorced in 1985. Duke married Mike Pearce in 1986, and they adopted a son, Kevin, in 1989. When he was 14, Duke told Astin that Arnaz was his father, and the two developed a relationship.
Duke
Astin