1958-
| Erica Maass | |
| B: | 21 Aug 1958 |
| Rotterdam | |
1929-1998
| Johann Gerhard Maass | |
| B: | 28 Jul 1929 |
| Rotterdam | |
| D: | 20 May 1998 |
| Rotterdam | |
1935-
| Ina Scheffer | |
| B: | 2 Jul 1935 |
| Rotterdam | |
1960-
| Eelco Maass | |
| B: | 4 Jan 1960 |
| Rotterdam | |
1933-
| Gerardina Snelleman | |
| B: | 7 Mar 1933 |
| Rotterdam | |
1905-1978
| Grietje de Keijzer | |
| B: | 10 Nov 1905 |
| Rotterdam | |
| D: | 01 Mar 1978 |
| Rotterdam | |
1902-1988
| Antonius Julius Maass | |
| B: | 18 Feb 1902 |
| Tiel | |
| M: | 06 Oct 1926 |
| Rotterdam | |
| D: | 28 May 1988 |
| Rotterdam | |
Abt 1878-
| Anna Brugge | |
| B: | Abt 1878 |
Abt 1878-
| Rinse de Keijzer | |
| B: | Abt 1878 |