| 1. | Dayo Ketz |
| 2. | Erik Ketz Erik married Marcia Kooijman [Group Sheet] [Family Chart] |
| 3. | Marcia Kooijman
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| 4. | Cornelis Marinus Ketz Cornelis married Marijke Claasen [Group Sheet] [Family Chart] |
| 5. | Marijke Claasen
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| 8. |  Dirk Bernardus Ketz was born on 12 May 1913 in Rotterdam (son of Gerrebrand Hendrik Ketz and Petronella Maria Doorewaard); died on 1 Nov 1982 in Rotterdam. Dirk married Anna Koster about 1952 (burgerlijk huwelijk). Anna (daughter of Cornelis Martinus Koster and Maria Huizer) was born on 27 May 1916 in Rotterdam; died on 29 Jul 1994 in Rotterdam. [Group Sheet] [Family Chart] |
| 9. | Anna Koster was born on 27 May 1916 in Rotterdam (daughter of Cornelis Martinus Koster and Maria Huizer); died on 29 Jul 1994 in Rotterdam.
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