| | Gerhard Diekmann 1919–2004 | | |
Martin Diekmann 1917–1944 | | |
| | Marie Hilde Diekmann 1924–1961 | | |
| | Gerhard Diekmann 1885–1979 | | | | Wiet Everts Diekmann 1857–1943 Maria Wilhelmina Willems 1852–1920 | | | | Evert Hinrichs Diekmann 1820–… Trientje Hinrichs Metscher …–… | | | | Wieth Ever(t)s Diekmann? 1793–… |
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| | | Willem Siebelts Willems …–… |
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