Ellen Travolta (born October 6, 1940 in Englewood, New Jersey) is an American actress, the eldest sibling of John Travolta. She is probably best remembered for her portrayal of Louisa Arcola Delvecchio, the mother of Chachi Arcola (Scott Baio) in the 1950s-based sitcom "Happy Days", and its unsuccessful spinoff, "Joanie Loves Chachi", although she has had guest roles on many series. Her acting debut was in the 1976 episode "You Can't Annul My Baby", … Wikipedia
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Daughter of Salvatore Travolta, a retired salesman and Helen Travolta Sister of John Travolta, Joey Travolta, Sam Travolta, Margaret Travolta and Ann Travolta. Daughter of Helen Travolta She has played Scott Baio's mother in the sitcoms "Happy Days" (1974 www.imdb.com/name/nm0871454/