1819 - 1909 (89 jaar)
| Nicolaas Lambertus Willem Anthonie Gravelaar | |
| G: | 5 aug 1846 |
| Baflo | |
| O: | 29 aug 1846 |
| Baflo | |
1895-1980
| Dirk Poort | |
| G: | 29 okt 1895 |
| Groningen | |
| O: | 28 okt 1980 |
| Oldenzaal | |
1899-1976
| Aafke Bakker | |
| G: | 21 apr 1899 |
| Hollum | |
| H: | 5 jan 1922 |
| Ameland | |
| O: | 28 sep 1976 |
| Hollum | |
| Wilhelmine Augusta Kalla Jentzsch | |
| H: | 17 jan 1940 |
| Utrecht | |
1865-1899
| Wilhelmus Harmannus Anthonie Poort | |
| G: | 11 feb 1865 |
| Leek | |
| O: | 10 jan 1899 |
| Groningen | |
1862-1949
| Maria Elisabeth Johanna Spitsen | |
| G: | 10 apr 1862 |
| Wildervank | |
| H: | 8 jun 1894 |
| Wildervank | |
| O: | 7 sep 1949 |
| Leiden | |
1867-1889
| Nicolaas Lambertus Willem Anthonie Poort | |
| G: | 7 jan 1867 |
| Kantens | |
| O: | 18 mei 1889 |
| Stadskanaal | |
1868-1940
| Willem Anthonie Poort | |
| G: | 2 dec 1868 |
| Kantens | |
| O: | 23 jan 1940 |
| Renkum | |
1865-1945
| Pieterina Berghuis | |
| G: | 11 mei 1865 |
| Kloosterburen | |
| H: | 31 dec 1896 |
| Groningen | |
| O: | 22 apr 1945 |
| Groningen | |
1871-1948
| Wilhelmina Catharina Poort | |
| G: | 14 jan 1871 |
| Wildervank | |
| O: | 28 sep 1948 |
| Groningen | |
1872-1889
| Wiea Sietska Poort | |
| G: | 24 dec 1872 |
| Stadskanaal | |
| O: | 11 feb 1889 |
| Stadskanaal | |
| Catharina Wilhelmina Teodora Benjamina Poort | |
| G: | 16 mrt 1874 |
| Stadskanaal | |
| O: | 17 sep 1874 |
| Stadskanaal | |
1875-1959
| Anthonia Willemina Poort | |
| G: | 15 feb 1875 |
| Stadskanaal | |
| O: | 26 mei 1959 |
| Apeldoorn | |
| Gerrit Helmig Kamphuis | |
| H: | 5 apr 1928 |
| Ermelo | |
1876-1890
| Carolina Johanna Wilhelmina Poort | |
| G: | 26 okt 1876 |
| Stadskanaal | |
| O: | 13 mei 1890 |
| Stadskanaal | |
1878-1959
| Dirk Herman Poort | |
| G: | 17 okt 1878 |
| Stadskanaal | |
| O: | 14 nov 1959 |
| Heerenveen | |
1881-1901
| Anthony Willem Poort | |
| G: | 16 dec 1881 |
| Stadskanaal | |
| O: | 20 dec 1901 |
| Groningen | |
| Hermannus Wilhelmus Poort | |
| G: | 19 jul 1886 |
| Stadskanaal | |
| O: | 8 sep 1933 |
| Groningen | |
| Titia Jansje Kool | |
| H: | 21 mei 1920 |
| Groningen | |
| Catharinus Wilhelmus Theodoor Benjamin Poort | |
| G: | 22 dec 1887 |
| Stadskanaal | |
| O: | 4 sep 1950 |
| Amsterdam | |
1890-1912
| Wiea Nikola Carolina Poort | |
| G: | 27 okt 1890 |
| Stadskanaal | |
| O: | 14 sep 1912 |
| Groningen | |
| Catharina Wilhelmina Theodora Benjamina Gravelaar | |
| G: | 21 aug 1848 |
| Baflo | |
| O: | 2 jan 1924 |
| Groningen | |
-1894
| Dirk Poort | |
| G: | Hoogkerk |
| H: | 28 jan 1865 |
| Leek | |
| O: | 10 jul 1894 |
| Wildervank | |
1878-1923
| Otto Barendsen | |
| G: | 2 mei 1878 |
| Kampen | |
| H: | 31 jul 1911 |
| Deventer | |
| O: | 9 mei 1923 |
| Laren | |
| Gerard Vrind | |
| H: | 6 mei 1925 |
| 's-Gravenhage | |
| Nicolaas Lambertus Willem Anthonij Gravelaar | |
| G: | 29 nov 1851 |
| Groningen | |
| O: | 18 feb 1913 |
| Deventer | |
| Antonette van Hulst | |
| H: | 20 apr 1886 |
| Kampen | |
1887-1966
| Engelina Willemina Gravelaar | |
| G: | 23 jul 1887 |
| Zaandam | |
| O: | 2 aug 1966 |
| Amsterdam | |
1891-
| Willem Antonie Gravelaar | |
| G: | 13 okt 1891 |
| Zaandam | |
1894-1943
| Anthony Johan Gravelaar | |
| G: | 19 jun 1894 |
| Zaandam | |
| O: | 31 dec 1943 |
| Wassenaar | |
| Anthonij Willem Gravelaar | |
| G: | 2 mei 1856 |
| Sappermeer | |
-1913
| Maria Jacoba de Korte | |
| G: | Vlagtwedde |
| H: | 15 okt 1886 |
| Meppel | |
| O: | 27 nov 1913 |
| Deventer | |
| Charlotte Egbertina Wilhelmina Worrell | |
| H: | 23 dec 1915 |
| Rotterdam | |
1859-1861
| Carolina Johanna Wilhelmina Gravelaar | |
| G: | 23 nov 1859 |
| Groningen | |
| O: | 6 apr 1861 |
| Hoogeveen | |
|
1819-1909
| Willem Anthonij Gravelaar | |
| G: | 18 nov 1819 |
| Emmen | |
| O: | 2 jan 1909 |
| Groningen | |
1822-1908
| Wlhelmina Catharina van der Vlist | |
| G: | 1822 |
| Groningen | |
| H: | 24 aug 1845 |
| Groningen | |
| O: | 21 nov 1908 |
| Groningen | |
