Family Group Sheet| FATHER | | Lammert Jacobs de Graaf | | BIRTH | 1883 | | | DEATH | 1979 | | | REF # | | 27808; | | FATHER | Jacob Lamberts de Graaf | | MOTHER | Mieke Jans Bremer | | | | MOTHER | | Jacoba de Vos | | BIRTH | 1889 | | | DEATH | 1976 | | | REF # | | 27809; | | FATHER | Gerrit Alberts de Vos | | MOTHER | Wobbigje Feenstra |
| | | CHILDREN | | 1. | Wobbigje de Graaf FEMALE | | | BIRTH | 1908 | | | MARRIAGE | | Luitjen ten Brink; |
| | 2. | Mieke de Graaf FEMALE | | | BIRTH | 1915 | | | DEATH | 1948 | | | REF # | | 27807; | | MARRIAGE | after 1940 | Lijckle Pieters Leijenaar; | | MARRIAGE | 1936 | Jacobus de Graaf; |
| | 3. | Gerritje de Graaf FEMALE | | | BIRTH | 26 February 1917 | |
| | 4. | Jacob de Graaf MALE | | | BIRTH | 8 December 1925 | |
| | 5. | jan de Graaf MALE | | | BIRTH | 10 August 1931 | | | REF # | | 27537; |
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