| Children |
| | 1. Gerardus Heinrich Nienhaus, b. 04 Jun 1803, North Rhine-Westphalia, Germany  |
| | 2. Anna Maria Gertrude Nienhaus, b. 16 Dec 1804, North Rhine-Westphalia, Germany  |
| | 3. Anna Margaretha Nienhaus, b. 24 Jun 1806, North Rhine-Westphalia, Germany  |
| | 4. Bernard Heinrich Nienhaus, b. 28 Apr 1808, North Rhine-Westphalia, Germany , d. 24 Jan 1824, North Rhine-Westphalia, Germany (Age 15 years) |
| | 5. Bernard Heinrich Nienhaus, b. 02 Jan 1812, Germany , d. 15 Aug 1878, Morrison, Brown Co, Wisconsin (Age 66 years) |
| | 6. Maria Catharina Nienhaus, b. 29 Oct 1814, North Rhine-Westphalia, Germany  |
| | 7. Margaretha Elisabeth Nienhaus, b. 04 Mar 1817, North Rhine-Westphalia, Germany  |
|