| Descent |
| Thomas Cassingham (Sr.) |
| Henry Cassingham |
| Elvira (Cassingham) Foster |
| Ina Myrtle (Foster) Misener |
| Ethel Louise (Misener) de Grush |
| Marie Louise (de Grush) Erickson |
| Sandra Marie Erickson |
Sandra Marie Erickson is the daughter of Marie Louise de Grush and Frederick Charles Erickson. She was born in 1950 in Illinois.
In 1968, she married (1) Larry Alan Olson in Illinois. He was born in 1948 in Illinois.
In 1993, she married (2) Dave Biros. He was born in 1946.
Children of Sandra Marie Erickson and Larry Alan Olson:
- Michelle Ann Olson was born in 1970 in Illinois. In 1993, she married Steve Baudino. He was born in 1968.
- Eric Max Olson was born stillborn on 29 May 1975 in Joliet, Will, Illinois.
- Matthew Alan Olson was born stillborn on 6 Jun 1978.