Family Group Sheet| FATHER | | Wudmer Cornelis Koopman | | | | MOTHER | | Antje Harmens | | DEATH | 18 January 1827 | Bolsward |
| | | CHILDREN | | 1. | Johanna Wutmers Koopman FEMALE | | | BIRTH | 1778 | Tjerkwerd | | DEATH | 23 October 1855 | Bolsward | | MARRIAGE | 19 June 1831 | Hermanus Ernst Haarsma; Bolsward |
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