| 1. Abram KOOL (RIN: 1967), b. abt. 1874 | See Abram KOOL & Bastiana Katharina VAN DELFT |
| 2. Jannetje KOOL (RIN: 1971), b. abt. 1879 | See Joseph Petrus DE KLEIJN & Jannetje KOOL OR Adrianus Johannes VAN WORKUM & Jannetje KOOL |
| 3. Hester Willemina KOOL (RIN: 1975), b. abt. 1876 | See Hendrik NOTEBOOM & Hester Willemina KOOL |
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| Name: Johannis Kool | |
| Born: abt. 1846 Sommelsdijk | |
| Died: |
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| Name: Johanna Wielhouwer | |
| Born: abt. 1852 Sommelsdijk | |
| Died: |
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