Compact tree of Ross Earl Olson
| Charles Rudolph Olson 1878–1924 | |||||||||||||
| Clarence Almer Olson 1907–1982 |
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Ida Ellen Coffey – | |||||||||||
| Peter Peterson – | Carl M Larson – | ||||||||||||
| Nels Peter Peterson 1835–1907 | Albertine E Peterson 1885–1960 | Johanna Lousis Larson 1842–1917 | |||||||||||