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Jan Daniel HEIJKOOP
b. 26 Oct 1872
p. Den Helder, , Noord-Holland, Netherlands
d. 5 Apr 1955
p.
Dirk Johannes HEIJKOOP
b.
p.
d.
p.
Klaasje van BREDERODE
b.
p.
d.
p.
Marriage(s):
Maartje van der PLAS
m: on 22 Nov 1893 in Den Helder, , Noord-Holland, Netherlands.
Children from this marriage:
  
Gerrit HEIJKOOP