 | Petrus Johannes Berkman 1850-1850 |
| Petrus Johannes Berkman | |
| G: | 17 apr 1850 |
| Weesp Noord-Holland | |
| O: | 25 jun 1850 |
| Weesp Noord-Holland | |
| Henderika Berkman 1851-1937 |
| Henderika Berkman | |
| G: | 9 aug 1851 |
| Weesp Noord-Holland | |
| O: | 27 nov 1937 |
| Weesp Noord-Holland | |
| Martinus van Groen 1849- |
| Martinus van Groen | |
| G: | 1849 |
| Weesp Noord-Holland | |
| H: | 23 sep 1875 |
| Weesp Noord-Holland | |
 | Pierre Jean Voswijk 1895-1962 |
| Pierre Jean Voswijk | |
| G: | 1895 |
| Amsterdam | |
| O: | 6 feb 1962 |
| Amsterdam | |
 | Eijda de Keijzer 1920-1967 |
| Eijda de Keijzer | |
| G: | 28 Okt 1920 |
| H: | 28 okt 1920 |
| Amsterdam | |
| O: | 12 dec 1967 |
| Amsterdam | |
| Gerritje Voswijk 1891-1943 |
| Gerritje Voswijk | |
| G: | 1 jun 1891 |
| Amsterdam | |
| O: | 21 dec 1943 |
| Amsterdam | |
| Willem Cornelis van Rijnberk 1890-1926 |
| Willem Cornelis van Rijnberk | |
| G: | 3 aug 1890 |
| Zoelmond (Buren) | |
| H: | 8 jul 1920 |
| Amsterdam | |
| O: | 23 mei 1926 |
| Amsterdam | |
| Johanna Catharina Berkman 1853-1921 |
| Johanna Catharina Berkman | |
| G: | 31 aug 1853 |
| Weesp Noord-Holland | |
| O: | 3 dec 1921 |
| Amsterdam | |
 | Hendrik Voswijk 1861-1920 |
| Hendrik Voswijk | |
| G: | 19 apr 1861 |
| Landsmeer Noord-Holland | |
| H: | 7 jul 1887 |
| Haarlem | |
| O: | 20 jul 1920 |
| Ilpendam, Nederland | |
| Petrus Johannes Berkman 1854-1857 |
| Petrus Johannes Berkman | |
| G: | 3 nov 1854 |
| Weesp Noord-Holland | |
| O: | 5 maa 1857 |
| Weesp Noord-Holland | |
| Louise Elisabeth Berkman 1868- |
| Louise Elisabeth Berkman | |
| G: | 11 mei 1868 |
| Weesp Noord-Holland | |
| Pierre Jean Berkman 1823- |
| Pierre Jean Berkman | |
| G: | 24 maa 1823 |
| Amsterdam | |
| Gerretje van Neerden 1828-1818 |
| Gerretje van Neerden | |
| G: | 7 feb 1828 |
| Weesperkarspel Noord-Holland | |
| H: | 7 maa 1850 |
| Weesperkarspel Noord-Holland | |
| O: | 1818 |
Familie van Vliet
