Family Group Sheet| FATHER | | Arjen Jacobs Vonk | | BIRTH | 8 April 1903 | Zwartsluis | | FATHER | Jacob Rinkes Vonk | | MOTHER | Sietske Martens Visser | | | | MOTHER | | Tietje Lammerts Mud | | BIRTH | 23 May 1903 | Leeuwarden | | FATHER | Lammert Riekles Mud | | MOTHER | Geertje Geerts Vaartjes |
| | | CHILDREN | | 1. | Geertje Vonk FEMALE | | | BIRTH | 1924 | | | DEATH | 16 October 1937 | |
| | 2. | Sietske Vonk FEMALE | | | BIRTH | 25 June 1925 | |
| | 3. | Grietje Vonk FEMALE | | | BIRTH | 1 March 1927 | |
| | 4. | Jacob Vonk MALE | | | BIRTH | 1928 | | | DEATH | 17 September 1989 | | | MARRIAGE | 1947 | Antonia Hendrika (Tony) Weultjes; |
| | 5. | Jantje Vonk FEMALE | | | BIRTH | 1 February 1930 | |
| | 6. | Wiebe Vonk MALE | | | BIRTH | 28 July 1934 | |
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