| Male Georg Julius Maass |
| Birth | 2 Apr 1872 | Emmerich, Duitsland |
| Death | 27 Mar 1933 | Nijmegen |
| Burial | ||
| Marriage | 9 Feb 1905 | Nijmegen |
| Father | Bernhard Maass | F234 Group Sheet | |
| Mother | Anna Maria Höves | F234 Group Sheet | |
Johanna Daenen |
| Birth | 2 May 1879 | Beuningen |
| Death | 4 Jan 1953 | Nijmegen |
| Burial | ||
| Father | Antonius Daenen | F2564 Group Sheet | |
| Mother | Aleida van Eijkelen | F2564 Group Sheet | |
| Male Gerardus Alphons (Fons) Maass |
| Birth | 22 Mar 1906 | Nijmegen |
| Death | 6 Mar 1971 | Maastricht |
| Burial | ||
| Spouse | Geertruida (Truus) Maria Reijnen | F2552 | |
| Marriage | ||
+ Herman Julius Maass |
| Birth | 13 Jul 1908 | Nijmegen |
| Death | 22 Sep 1977 | |
| Burial | ||
| Spouse | Catharina Blijdestein | F2553 | |
| Marriage | ||
| Female Anna Alieda Maass |
| Birth | 18 Feb 1910 | Nijmegen |
| Death | 10 Jan 1979 | |
| Burial | ||
| Spouse | Leonardus Antonius Hendriks | F2551 | |
| Marriage | ||