| Mergard, Charlotte | Dormann | 1894 | Bremen |
| Mergard, Diedrich | Dormann | 1897 | Bremen |
| Mergard, Diedrich | Kamysz | 1910 | Bremen 1 |
| Mergard, Dorothee Margarethe | Schröder | 1889 | Bremen |
| Mergard, Georg | Hadeler | 1880 | Bremen |
| Mergard, Georg | Hadeler | 1877 | Bremen |
| Mergard, Georg | Kamysz | 1912 | Bremen 1 |
| Mergard, Georg Gerd Diedrich | Schröder | 1891 | Bremen |
| Mergard, Gretchen | Schröder | 1888 | Bremen |
| Mergard, Gustav | 1899 | Aumund | |
| Mergard, Heinrich | Dormann | 1892 | Bremen |
| Mergard, Heinrich | Kamysz | 1908 | Bremen 1 |
| Mergard, Karl Albert | Dormann | 1907 | Fähr |
| Mergard, Marg. | Hadeler | 1884 | Bremen |
| Mergard, Margarethe | 1901 | Lesum | |
| Mergard, Margarethe | Hadeler | 1880 | Bremen |
| Mergard, Marie Dorothee | Schröder | 1894 | Bremen |
| Mergard, Wilhelm | 1904 | Lesum | |
| Mergard, Wilhelmine | Dormann | 1893 | Bremen |