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Leendert Alkemade
- ☼ 16-08-1870 (Wassenaar [Zh])
- ✞ 19-01-1929 (Wassenaar [Zh])
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Catharina Koot
- ☼ 03-02-1874 (Wassenaar [Zh])
- ✞ 26-01-1940 (Wassenaar [Zh])
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Jacoba Alkemade
- ☼ 23-12-1903 (Wassenaar [Zh])
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Catharina Alkemade
- ☼ 17-11-1904 (Wassenaar [Zh])
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Gerarda Alkemade
- ☼ 04-06-1906 (Wassenaar [Zh])
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