Tina Cole - Wikipedia Tina Cole This biographical article needs additional citations for verification, as its only attribution is to IMDb. IMDb may not be a reliable source for biographical information. Please help by adding additional, reliable sources for verification. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful. ( November 2011 ) Tina Cole As Robbie 's ( Don Grady ) wife, Katie, with triplets in My Three Sons, 1968 Born Christina Yvonne Cole ( 1943 - 08 - 04 ) August 4, 1943 ( age 74 ) Hollywood, California, USA Occupation Actress, Singer, Director, Spouse ( s ) Volney Howard III ( 1965 -- 70 ) ( Divorced ) 1 child Fillmore Pajeau Crank, Jr. ( 1979 -- ? ) ( Divorced ) 3 children Cast of My Three Sons ( 1967 ). Back row, L-R : Don Grady, Tina Cole, Fred MacMurray, William Demerest, Stanley Livingston. Front : Tramp and Barry Livingston 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. Family 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. Later life After leaving television, Cole was the director of the Sacramento Children 's Theatre. She was an acting coach at the John Robert Powers acting schools in Roseville and Elk Grove, California and in 2013 returned to on screen acting. In late 2013 she performed with her King Cousins ( sister Cathy and cousins Candy and Carolyn ) and made a one - off appearance at the Catalina Jazz Club in Hollywood in November. A subsequent appearance was made at the same club on April 13, 2014. Both nights were sold out and a success. External links Official Tina Cole Website Tina Cole on IMDb Official King Family Website This article about an American film and television actor is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Tina_Cole&oldid=813650146 '' Categories : 1943 births American female singers American film actresses American television actresses Living people Actresses from Sacramento, California Actresses from Hollywood, Los Angeles Singers from Los Angeles Acting coaches People from Roseville, California Musicians from Sacramento, California King family ( show business ) American screen actor stubs Hidden categories : Articles lacking reliable references from November 2011 All articles lacking reliable references BLP articles lacking sources from November 2011 All articles sourced by IMDb Articles sourced only by IMDb from November 2011 Pages using infobox person with unknown parameters Articles with hCards All articles with unsourced statements Articles with unsourced statements from June 2017 All stub articles Talk About Wikipedia فارسی Português اردو Edit links This page was last edited on 4 December 2017, at 15 : 03. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: who played katie douglas on my three sons
Answer: Tina Cole