Geert DE WINTER
(1852 - 1935)

Hendrika HOMMERICH
(1855 - 1952)

Jochem Jan KOOPMANS Prof. Dr. Margaretha DE WINTER
bd. 24 Nov 1886, Heerjansdam, NL
occ.
Me.
rel.
dd. 14 Apr 1963, Bilthoven, NL
brd.
bd. 24 Jun 1887, Amsterdam, Noord-Holland, NL
occ.
Me.
rel.
dd. 30 Mar 1975, Amstelveen, NL
brd.

Children:
Jacob Hendrik KOOPMANS Dr.
Geert KOOPMANS P. Eng.

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