Family Group SheetFATHER | Johan Holkema | BIRTH | 17 December 1953 | Sneek | REF # | | 131; | FATHER | Johannes Holkema | MOTHER | Luitje Posthumus | | MOTHER | Ans van den Berg | REF # | | 138; |
| CHILDREN | 1. | Menno Johan Holkema MALE | | BIRTH | 27 September 1976 | Sneek | REF # | | 139; |
| 2. | Taco Holkema MALE | | BIRTH | 16 July 1979 | Sneek | REF # | | 140; |
| 3. | Sanne Holkema FEMALE | | BIRTH | 19 September 1986 | Sneek | REF # | | 141; |
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