Family Group SheetHUSBAND | Jan Luitzens Koopmans | BIRTH | 18 April 1756 | Sloten | DEATH | 5 June 1812 | echten | MARRIAGE | 5 May 1782 | Lemsterland | FATHER | Luitjen Melis Koopmans | MOTHER | Roeltjen Jans | | WIFE | Jantje Kerstes Kok | DEATH | November 1802 | | FATHER | Kerst Jans Kok | MOTHER | Aukjen Aukes |
| CHILDREN | 1. | Kerst Jans Koopman MALE | | BIRTH | 1796 | | MARRIAGE | 25 January 1818 | Trijntje Klazes Visser; Lemsterland, Friesland, Netherlands |
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