Deonisius (Dik) Marius Nierstrasz(19 Jun 1889 - 8 Feb 1956)
Johanna Catharina (Ans) Baay(10 May 1902 - Aug 1988)
m. 19 Jun 1958, Maastricht
b. 18 Mar 1931
d. 27 Dec 2005
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b. 14 Aug 1932, Nijmegen
d. 19 Dec 2007, Almelo
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Children
Willy Leysen(22 Jul 1961 - )
Alexandra Leysen(25 Jun 1965 - )