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Piet Koster
- ☼ 05-01-1862 (Noordwijkerhout [Zh])
- ✞ 17-06-1927 (Noordwijkerhout [Zh])
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Petronella Kortekaas
- ☼ 11-04-1868 (Hillegom [Zh])
- ✞ 28-10-1929 (Noordwijk [Zh])
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Jacobus Koster
- ☼ 22-03-1897 (Noordwijkerhout [Zh])
- ✞ 30-04-1899 (Noordwijkerhout [Zh])
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Jacoba Koster
- ☼ 02-11-1899 (Noordwijkerhout [Zh])
- ✞ 24-06-1946 (Leiden [Zh])
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Petronella Koster
- ☼ 03-06-1901 (Noordwijkerhout [Zh])
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Hendrika Koster
- ☼ 25-11-1903 (Noordwijkerhout [Zh])
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Wilhelmus Vrijburg
- ☼ 11-10-1896 (Lisse [Zh])
- ✞ 17-06-1967 (Leiden [Zh])
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Johannes Koster
- ☼ 02-08-1906 (Noordwijkerhout [Zh])
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Wilhelmina Hoogkamer
- ☼ 09-05-1906 (Hillegom [Zh])
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