In contrast, the story of Shaun Cassidy‘s half-brother, David Cassidy, took a much different path, with a life that sharply ...

On Instagram, Shaun Cassidy wrote ... The photo was missing her late stepson and "The Partridge Family" co-star David Cassidy ...

Shaun Cassidy Recalls Doing Magic Act for Jennifer ... He Was Bigger Than Life' Inside David Cassidy's Complex Relationship with Daughter Katie — Who Was Left Out of His Will David Cassidy's ...