Original: She is probably best known as Shirley Partridge , the widowed mother of five children in the situation-comedy television series The Partridge Family ( 1970 & ndash ; 1974 ) , co-starring her real-life stepson David Cassidy , son of Jack Cassidy .
Simplified: She was married to Jack Cassidy , from 1956 to 1977 , and had three sons with him , Shaun , Patrick , and Ryan .