| Descent |
| Thomas Cassingham (Sr.) |
| James Cassingham |
| James Wesley Cassingham |
| Mary Dell (Cassingham) Lyon |
| Kenneth Cassingham Lyon |
| Julia Kathryn Lyon |
Julia Kathryn Lyon is the daughter of Kenneth Cassingham Lyon and Georgia Kathryn Walker. She was born in 1937 in Ohio.
In 1961, she married Robert Patterson Cross III in Illinois. He is the son of Robert Patterson Cross II and Harriet Walker. He was born in 1937 in Illinois.
Children of Julia Kathryn Lyon and Robert Patterson Cross III:
- Robert Patterson Cross IV was born in 1961 in Illinois.
- Stephen Walker Cross was born in 1965 in Illinois.