<Tr> <Th> Spouse (s) </Th> <Td> <P> Volney Howard III (1965--70) (Divorced) 1 child </P> Fillmore Pajeau Crank, Jr. (1979--?) (Divorced) 3 children </Td> </Tr> <P> Volney Howard III (1965--70) (Divorced) 1 child </P> <P> Tina Cole (born August 4, 1943) is an American actress and singer . She is best known for her role as Katie Miller Douglas on the 1960s sitcom My Three Sons (1967--72), but she previously had a recurring role as Sunny Day in the detective series Hawaiian Eye (1963). She was also a member of the Four King Cousins, a subgroup of the King Family Singers . In 1963 she played the minor (uncredited) role of Ruth Stewart in Palm Springs Weekend, a spring break party film set in Palm Springs, California . She also appeared previously in My Three Sons as a friend of Robby cast in the role of Joanne, before the Katie role was created circa 1966 . </P> <P> Born Christina Yvonne Cole, she is the daughter of Yvonne King (of The King Sisters) and Buddy Cole . She has a sister, Cathy Green, and four grown children, Volney, Pajeau, Chelsea and Samantha . </P>

Who played katie douglas on my three sons