"On behalf of the entire Cassidy family, it is with great sadness that we announce the passing of our father, our uncle, and our dear brother, David Cassidy,” his family said in a statement. "David died surrounded by those he loved, with joy in his heart and free from the pain that had gripped him for so long. Thank you for the abundance and support you have shown him these many years."
His nephew, Jack Cassidy, also confirmed the news on Twitter saying, "I can't help but thank God for the joy that he brought to countless millions of people."
My uncle David Cassidy has sadly passed away tonight... & in the process of mourning I can't help but thank God for the joy that he brought to countless millions of people! I don't think I'm alone in saying that we will all miss him. God Speed!— Jack Cassidy (@jackgcassidy) November 22, 2017
Cassidy is survived by his son Beau, his daughter Katie, his brothers Shaun, Patrick and Ryan, step-mother Shirley Jones, and numerous nieces, nephews and cousins.
The family will announce plans for a memorial service at a later date.
We're sending our sincerest sympathies to Cassidy's family. He will without a doubt be missed.