| Descent |
| Thomas Cassingham (Sr.) |
| William Burdette Cassingham |
| Nettie Elizabeth (Cassingham) Ward |
| Erma Diane (Ward) Patrick |
| Anna Marie (Patrick) Rule |
| Richard Frederick Rule |
| Christopher Rule |
Christopher Rule is the son of Richard Frederick Rule and Linda Jean Shippey.
Children of Christopher Rule:
- Kaitlynn Elysse Rule was born in 1991 in Michigan.