1841 - 
1865-
| Heinrich Wilhelm Althoff | |
| *: | 15 Apr 1865 |
| D-Dornberg (Bielefeld) | |
| Catharine Charlotte Auguste Ontrup | |
| *: | 3 Apr 1854 |
| D-Bielefeld | |
| oo: | 3 Mrz 1893 |
| D-Hamm | |
|
1841-
| Caspar Heinrich Althoff | |
| *: | 12 Nov 1841 |
| D-Werther | |
1839-1880
| Johanne Friederike Schweppe | |
| *: | 18 Aug 1839 |
| D-Dornberg (Bielefeld) | |
| oo: | 23 Dez 1864 |
| D-Dornberg (Bielefeld) | |
| +: | 6 Mai 1880 |
| D-Bochum | |
1848-
| Luise Henriette Ontrup | |
| *: | 20 Jul 1848 |
| D-Bielefeld-Brackwede | |
| oo: | 21 Sep 1881 |
| D-Dornberg (Bielefeld) | |
