Family Group Sheet| HUSBAND | | Jan Jacobs de Graaf | | BIRTH | 28 January 1879 | Oudemidrum | | DEATH | 1963 | | | REF # | | 20179; | | MARRIAGE | 11 May 1901 | | | FATHER | Jacob Lamberts de Graaf | | MOTHER | Mieke Jans Bremer | | | | WIFE | | Jantjen Alberts de Vos | | BIRTH | 1876 | Balk | | REF # | | 27802; | | FATHER | Albert Ytjens de Vos | | MOTHER | Jacobje Gerrits Jansma |
| | | CHILDREN | | 1. | Jacob Jans de Graaf MALE | | | BIRTH | 4 April 1902 | Balk | | DEATH | 1979 | | | REF # | | 27804; |
| | 2. | Albert de Graaf MALE | | | BIRTH | 22 May 1904 | | | DEATH | 15 July 1992 | Koudum | | REF # | | 27812; | | MARRIAGE | | J. de Boer; |
| | 3. | Mieke de Graaf FEMALE | | | BIRTH | 11 July 1908 | | | DEATH | 17 February 1981 | Oudemirdum | | REF # | | 27813; |
| | 4. | Jacobus de Graaf MALE | | | BIRTH | 1913 | | | DEATH | 1940 | | | REF # | | 27806; | | MARRIAGE | 1936 | Mieke de Graaf; |
| | 5. | Harmen de Graaf MALE | | | BIRTH | 12 November 1917 | | | DEATH | 9 October 2003 | | | REF # | | 27811; |
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