Family Group Sheet| HUSBAND | | Willem Albertus Johannes Holkema | | BIRTH | 16 April 1970 | Ridderkerk | | REF # | | 109; | | MARRIAGE | | Gouda | | FATHER | Gerben Holkema | | MOTHER | Maartje Ravensbergen | | | | WIFE | | Ilona van den Heuvel | | REF # | | 7012; |
| | | CHILDREN | | 1. | Ywan Nikolai Holkema MALE | | | BIRTH | 28 April 2004 | | | REF # | | 7013; |
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