| Jan de Graaf + Jantje Ritzinga
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	| | Jan de Graaf  (I20549) 
Birth  30 January 1900   -- Baflo, Winsum, Groningen, NetherlandsDeath  12 February 1971 (Age 71)
 
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	| | Jakob de Graaf  (I19940) 
Birth  3 June 1866   -- Tinallinge, Winsum, Groningen, NetherlandsDeath  3 May 1946 (Age 79)   -- Baflo, Winsum, Groningen, Netherlands
 
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	| | Janna Klaveringa  (I19939) 
Birth  21 February 1874   -- Eenrum, De Marne, Groningen, NetherlandsDeath  15 August 1948 (Age 74)   -- Groningen, Groningen, Groningen, Netherlands
 
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