| Father | Male Otto Ristau |
| Born | 20 Aug 1882 | Prussia  |
| Died | 3 Apr 1954 | Pembroke, Alice, Renfrew, Ontario, Canada |
| Buried | St John Lutheran Cemetery Boundary Road, Pembroke, Ontario, Canada |
|
| Married | ||
| Other Spouse | Marie Margaret Elisabeth Krohn | F442 | |
| Married | 14 May 1949 | |
| Other Spouse | - | F662 | |
| Married | ||
| Other Spouse | - | F663 | |
| Married | ||
| Father | August Johann Ristau | F665 Group Sheet | |
| Mother | Martha Wilhelmine Otillie Kadau | F665 Group Sheet | |
| Child 1 | Male Randolph Alfred Wilmer Risto |
| Born | 20 Oct 1917 | Renfrew County, Ontario, Canada |
| Died | 2 Aug 1999 | Bancroft, Hastings County, Ontario, Canada |
| Buried | St John Lutheran Cemetery Boundary Road, Pembroke, Ontario, Canada |
