Family Group Sheet| FATHER | | Theodoris Albert Koopen | | BIRTH | 10 April 1898 | Workum | | DEATH | 8 February 1969 | Oegstgeest | | REF # | | 19; | | FATHER | Johannes Koopen | | MOTHER | Jantje Tjeerde | | | | MOTHER | | Ulbertje Holkema | | BIRTH | 14 September 1899 | Sneek | | DEATH | 9 September 1929 | Workum | | REF # | | 10; | | FATHER | Gerben Sakes Holkema | | MOTHER | Hendrikje (Hinke) Wester |
| | | CHILDREN | | 1. | Hendrikje Koopen FEMALE | | | BIRTH | 28 October 1927 | Workum | | REF # | | 20; | | MARRIAGE | 28 March 1951 | Marten Wielenga; Workum |
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