1883 - 1939 (56 jaar) 
Foto's versturen
Heeft 39 voorvaders en 14 nakomelingen in deze stamboom.
 | Otto Johannes Maria Cordes 1945-1999 |
| Otto Johannes Maria Cordes | |
| G: | 09 dec 1945 |
| Wolvega, , Friesland, The Netherlands | |
| O: | 02 apr 1999 |
| Scheerwolde, , Overijssel, The Netherlands | |
 | Martha Wortelboer 1913-1985 |
| Martha Wortelboer | |
| G: | 29 aug 1913 |
| Sappemeer, , Groningen, The Netherlands | |
| O: | 28 apr 1985 |
| Meppel, , Drenthe, The Netherlands | |
| Petrus Bernardus Cordes 1900-1971 |
| Petrus Bernardus Cordes | |
| G: | 07 jan 1900 |
| Kalkwijk, Hoogezand, , Groningen, The Netherlands | |
| H: | 03 feb 1944 |
| Giethoorn, , Overijssel, The Netherlands | |
| O: | 10 aug 1971 |
| Wolvega, , Friesland, The Netherlands | |
| Wilhelmina Margaretha Wortelboer 1914-1982 |
| Wilhelmina Margaretha Wortelboer | |
| G: | 05 nov 1914 |
| Sappemeer, , Groningen, The Netherlands | |
| O: | 29 jan 1982 |
| Veendam, , Groningen, The Netherlands | |
| Gerardus Hendericus Hanekamp 1915-2004 |
| Gerardus Hendericus Hanekamp | |
| G: | 31 okt 1915 |
| Muntendam, , Groningen, The Netherlands | |
| H: | 22 dec 1952 |
| Groningen, , Groningen, The Netherlands | |
| O: | 23 dec 2004 |
| Winschoten, , Groningen, The Netherlands | |
| Timothy William Wortelboer 1990-2009 |
| Timothy William Wortelboer | |
| G: | 30 sep 1990 |
| Christchurch, , , New Zealand | |
| O: | 03 mei 2009 |
| Christchurch, , , New Zealand | |
| Johannes Gerhardus Wortelboer 1916-1973 |
| Johannes Gerhardus Wortelboer | |
| G: | 01 feb 1916 |
| Sappemeer, , Groningen, The Netherlands | |
| O: | 04 dec 1973 |
| Christchurch, , , New Zealand | |
| Betsy Jean Sibbald 1921-(Y) |
| Betsy Jean Sibbald | |
| G: | 04 apr 1921 |
| Christchurch, , , New Zealand | |
| H: | 22 jan 1955 |
| Amberley, , , New Zealand | |
| O: | (Y) |
|
| Judocus Jan Wortelboer 1883-1939 |
| Judocus Jan Wortelboer | |
| G: | 06 mrt 1883 |
| Oude Pekela, , Groningen, The Netherlands | |
| O: | 05 jul 1939 |
| Groningen, , Groningen, The Netherlands | |
| Edowina Maria Poelma 1887-1938 |
| Edowina Maria Poelma | |
| G: | 20 sep 1887 |
| Bedum, , Groningen, The Netherlands | |
| H: | 17 sep 1912 |
| Bedum, , Groningen, The Netherlands | |
| O: | 18 dec 1938 |
| Groningen, , Groningen, The Netherlands | |
