| Descent |
| Thomas Cassingham (Sr.) |
| Henry Cassingham |
| Elvira (Cassingham) Foster |
| Ina Myrtle (Foster) Misener |
| Ina Doris (Misener) Peterson |
| Ronald Dean Peterson |
| John David Peterson |
John David Peterson is the son of Ronald Dean Peterson and Barbara Graham. He was born in 1961.
In 1985, he married Annie McDonald.
Children of John David Peterson and Annie McDonald:
- Spencer Graham Peterson was born in 1989.
- Emma Cooper Peterson was born in 1992.