Willem "Willy" Pottum 1875–1949 Johanna Hendrika Kuiper 1876–1941 Willemina Cornelia "Willemina" Ruitman 1880–1954 | | |
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| | | | | | Johannes "Jan" Backer 1790–1872 Louisa Jacoba Johanna van Ommeren 1794–1854 | | | | Evert Jan van Ommeren 1767– Allegonda Jacoba Verweijde 1755–1833 | | | | Hendricus Verweijde 1729– Catharina Muurman 1729–1819 | | | | Hendricus Wilhelmus Verweijde 1702– Allegonda Jacoba van der Sluijs 1708– | | |
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