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Jan David Olckers
(I69151)
Christening about 1807
Number of Children: 1 
1 . 1-
Dirk Blaauw
(I69145)
Birth about 182828
28
Number of Children: 1 -
Jan Nicolaas David Blaauw
(I69111)
Birth about 186941
1 . 1 . 1
Number of Children: 1 
Elisabeth Alida Blaauw
(I69110)
Birth about 189627
Death about 1960 (Age 64)
1 . 1 . 1 . 1-
Gerardus van den Heuvel
(I69109)
Birth about 1894
Death about 1970 (Age 76)
Number of Children: 1