| Jacob Ulferts (1892 - 1966) |
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| Janne Mamenga (1886 - 1923) |
| Jacob Henry Ulferts | Dorothy Olive Mammen |
| b. Apr 8, 1920, Oregon IL d. Jun 6, 1997 bur. edu. rel. occ. Superintendent of water and sewer of Oregon |
b. Jun 29, 1927, Oregon IL d. bur. edu. rel. occ. |
| Linda Diane Ulferts Allen Lee Ulferts |