1800 - 
1831-
| Friedrich Ontrop | |
| *: | 8 Dez 1831 |
| D-Bochum-Stiepel | |
1831-
| Heinrich Ontrop | |
| *: | 8 Dez 1831 |
| D-Bochum-Stiepel | |
1835-1836
| Maria Catharina Theodore Lisette Ontrop | |
| *: | 15 Jul 1835 |
| D-Bochum-Stiepel | |
| +: | 28 Jun 1836 |
| D-Bochum-Stiepel | |
|
1800-
| Johann Hermann Ontrup | |
| *: | 7 Apr 1800 |
| D-Dornberg (Bielefeld) | |
1800-
| Maria Catharina Poland | |
| *: | 27 Okt 1800 |
| D-Bochum-Stiepel | |
| oo: | 16 Apr 1831 |
| D-Bochum-Stiepel | |
