There were no children from David Cassidy's marriage to Kay
Lenz.
Patrick Cassidy is Davids younger brother the others being
Shaun, (Patrick) and Ryan who were the children of Jack Cassidy (
Davids father) and his second wife Shirley Jones.
There is no Patrick Butler!
Jack Cassidy m Evelyn Ward
Son - David Bruce Cassidy
Jack Cassidy m Shirley Jones
Son - Shaun
Son - Patrick
Son - Ryan
David Cassidy m Kay Lenz - no Children from the marriage
David Cassidy m Meryl Tanz - no Children from the marriage
David Cassidy m Sue Shiffren
Son Beau Devin Cassidy born Februay 1991
From another relationship - Katie Cassidy was born prior to half
brother Beau