| Descent |
| Thomas Cassingham (Sr.) |
| Ford Cassingham |
| George Washington Cassingham |
| Freddie Lee (Cassingham) Moon |
| John David Moon |
John David Moon is the son of Freddie Lee Cassingham and Howard Charles Moon. He was born in 1946 in Wyoming.
- In 1970, he married Linda Dawn Kinney. She was born in 1952 in Wyoming.
- He married Emily.
Children of John David Moon and Linda Dawn Kinney:
- Kelly Moon was born in 1972.
- Kenny Moon was born in 1975.