| Jake Ulferts (1859 - 1947) |
|
| Jennie (Janna) Janssen Maas (1858 - 1939) |
| Jacob Ulferts | Janne Mamenga |
| b. 1892 d. 1966, Ogle Co IL bur. Ebenezer Reformed Church edu. rel. occ. |
b. 1886 d. 1923, Ogle Co IL bur. Ebenezer Reformed Church edu. rel. occ. |
| spouses: 1, 2 | spouses: 1, 2 |
| Jacob Henry Ulferts Robert Ulferts |