| Frits Gerhard |
| Frits Gerhard | |
| G: | ca. 1882 |
| Amsterdam | |
| O: | 16 dec 1959 |
| Laren | |
| Hilchien Niemeijer |
| Hilchien Niemeijer | |
| G: | ca. 1884 |
| Beerta | |
| H: | 6 aug 1914 |
| Laren | |
| O: | Ja, datum echter onbekend |
| Adrien Henri Gerhard |
| Adrien Henri Gerhard | |
| G: | 7 apr 1858 |
| Lausanne (Zwi.) | |
| O: | 3 jul 1948 |
| Castricum | |
| Hendrika Wilhelmina Beeking |
| Hendrika Wilhelmina Beeking | |
| G: | ca. 1856 |
| Amsterdam | |
| H: | 20 okt 1881 |
| Amsterdam | |
| O: | 12 okt 1918 |
| Heemstede | |
| Marianne Brandon |
| Marianne Brandon | |
| G: | ca. 1878 |
| Amsterdam | |
| H: | 31 jul 1924 |
| Amsterdam | |
| O: | Ja, datum echter onbekend |
|
| Hendrik Gerhard |
| Hendrik Gerhard | |
| G: | 11 jun 1829 |
| Delft | |
| O: | Ja, datum echter onbekend |
| Susanne Stehli |
| Susanne Stehli | |
| G: | ca. 1834 |
| Zwillikon (Zurich, Swi.) | |
| H: | 20 jan 1858 |
| Lausanne (Zwi.) | |
| O: | Ja, datum echter onbekend |