| Hurbert James KOLLER (1883 - 1966) |
|
| Magdalena Maria VAN ELLINCKHUYZEN (1866 - 1946) |
| Rudolph Grobler KOLLER | Josephine STEGMAN |
| bd. 1920 occ. edu. rel. dd. brd. |
bd. occ. edu. rel. dd. brd. |
| Edward Rudolf KOLLER Jan Alexander KOLLER Anne Eleanor KOLLER |