David Cassidy is an american actor and musician/ singer-songwritter. He was born on April 12th 1950, and died on November 21 2017. His most famous song is 'I think I love you'. His parents are Jack Cassidy, Evelyn Ward and his step-mother Shirley Jones. David has two children Katie and Beau Cassidy. David is currently married to Sue Shrifin and they've been married since 1991. David seems to (other than Shirley) be closest to Danny Bonaduce, who played Danny Partridge.