| Descent |
| Thomas Cassingham (Sr.) |
| Ford Cassingham |
| George Washington Cassingham |
| Aline Ruth (Cassingham) Hixon |
| Thelma Jean Hixon |
Thelma Jean Hixon is the daughter of Aline Ruth Cassingham and Charles Buster Hixon. She was born in 1933 in Colorado.
In 1953, she married Jack Dewey Keisel in Colorado. He was born in 1932 in Utah.
Children of Thelma Jean Hixon and Jack Dewey Keisel:
- Jack Dwain Keisel was born in 1955 in Utah.
- Valerie Jean Keisel was born in 1957 in Utah.
- Charles Berlyn Keisel was born in 1961 in Utah. In 1980, he married Shelly Long.
Adopted child of Thelma Jean Hixon and Jack Dewey Keisel (natural daughter of their oldest son, Jack Dwain Keisel):
- Stephanie Marie Keisel was born in 1973 in Utah. She was later adopted by her paternal grandparents.