MaleWillem Marinus Karel Boudewijn Van Idsinga |
| Birth | 2 Sep 1868 | Veere, Zeeland, Netherlands |
| Death | 4 Nov 1904 | Zeereis |
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| Marriage | 22 Feb 1900 | Arnhem, Gelderland, Nederland |
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FemaleHelena Catharina Kesper |
| Birth | 1 Mar 1874 | Amsterdam, Noord-Holland, Nederland |
| Death | 4 Mar 1973 | Haarlem, Noord Holland, Nederland |
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| Other Spouse | Peter Constant Coops | F1650 | |
| Marriage | 22 Feb 1900 | Arnhem, Gelderland, Nederland |
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