Forest Marvin Olsen
- Born: 7 Nov 1902
- Marriage (1): Christena Sophia Robertson on 29 Nov 1929 in Austin, Mower County, Minnesota, United States
- Died: 5 Apr 1989, Mower County, Minnesota, United States at age 86
- Buried: Apr 1989, Austin, Mower County, Minnesota, United States
Forest married Christena Sophia Robertson, daughter of Robert Larson Robertson and Atelia Christena Sophia Hanson, on 29 Nov 1929 in Austin, Mower County, Minnesota, United States. (Christena Sophia Robertson was born on 4 Apr 1908 in Iowa, United States and died on 29 Feb 2008 in Minnesota, United States.)
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