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Leonardus Willemsz. Heemskerk
- ☼ 08-03-1765 (Sassenheim [Zh])
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Helena Jansdr. Langevelt
- ☼ 25-10-1787 (Wassenaar [Zh])
- ✞ 25-12-1851 (Warmond [Zh])
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Leendert Heemskerk
- ☼ 26-02-1814 (Warmond [Zh])
- ✞ 15-02-1881 (Warmond [Zh])
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Petronella de Wildt
- ☼ 01-04-1825 (Wijk aan Zee en Duin [Nh])
- ✞ 14-11-1879 (Warmond [Zh])
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Leonardus Heemskerk
- ☼ 09-08-1854 (Warmond [Zh])
- ✞ 24-03-1894 (Heiloo [Nh])
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Wilhelmus Heemskerk
- ☼ 19-06-1857 (Warmond [Zh])
- ✞ 13-10-1928 (Leiden [Zh])
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Jacobus Heemskerk
- ☼ 05-04-1859 (Warmond [Zh])
- ✞ 12-11-1918 (Warmond [Zh])
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Maria Heemskerk
- ☼ 18-10-1862 (Warmond [Zh])
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