| Descent |
| Thomas Cassingham (Sr.) |
| Henry Cassingham |
| Edwin Wallace Cassingham |
| Chester Snyder Cassingham (Sr.) |
| Jack Lee Cassingham |
Jack Lee Cassingham is the adopted son of Chester Snyder Cassingham and the natural son of Opal Clara Cross.
He married Donna Montalene White.
Children of Jack Lee Cassingham and Donna Montalene White:
- Scott Lee Cassingham was born about 1961. In 1988, he married Leslie Anne Crump in Wisconsin. She was born about 1962.
- Lynn Montalene Cassingham was born about 1962. In 1983, she married Kenneth Whitla Davis in Wisconsin. He was born about 1960.