Family Group Sheet| HUSBAND | | Gerben Holkema | | BIRTH | 16 July 1940 | joure | | REF # | | 103; | | MARRIAGE | 12 December 1961 | Rijnsburg | | FATHER | Jan Holkema | | MOTHER | Vogeltje Alida Hantjes Speerstra | | | | WIFE | | Maartje Ravensbergen | | BIRTH | 28 June 1937 | Oegstgeest | | REF # | | 104; | | FATHER | Jan Ravensbergen | | MOTHER | Grietje Schonenveld |
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