David Cassidy’s younger brother is proud of ... David was from Jack’s first marriage to actress Evelyn Ward. Sadly, Jack died in a house fire at 49 in 1976. Ryan, who built a career behind ...

actor Jack Cassidy, suffered from bipolar disorder and alcoholism, and displayed increasingly erratic behavior towards the end of his life. He died in a fire in 1976 when he fell asleep with a lit ...

Jack Cassidy was drinking heavily on his own the ... the lit cigarette ignited a blaze in his apartment that was not put out until fire services arrived in the early morning.

He was the only son of Broadway star Jack Cassidy and wife Evelyn Ward. Jack, meanwhile, went on to marry “Oklahoma” star Shirley Jones, and together they had three sons: Shaun, Patrick and Ryan.

Cassidy had been hospitalized with organ failure last Wednesday and was in critical condition, his rep told ABC News days before his death. Jack Cassidy, the nephew of the legendary actor and ...