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man‎Ir. Johan Maxmilliaan "Jan" Dijkgraaf‏‎, son of Drs. Pieter Cornelis "Piet" Dijkgraaf and Priska Hildegarde Dorothea Exner‏.
Born ‎24 Jul 1904 's-Gravenhage, died ‎21 Jul 1972 Rotterdam‎, 67 years, cremation ‎26 Jul 1972 Rotterdam. Occupation: werktuigkundig ingenieur/medewerker Unilever (o.a. CalvĂ© Delft)

Marriage notice ‎13 Feb 1931 Rotterdam.
Married ‎24 Feb 1931 Wassenaar
Divorced ‎22 Aug 1959 Wassenaar (28 years married) from:

womanJohanna "Han" Hendriks‏, daughter of Petrus Dirk Herko Hendriks, Ridder in de Orde van de Nederlandse Leeuw and Anje Bos‏.
Born ‎31 Aug 1904 Groningen, died ‎15 Sep 1996 's-Gravenhage‎, 92 years

Children:

1.
womanName Withheld‏ PRIVACY FILTER

2.
man‎Pieter Cornelis Dijkgraaf‏‎
Born ‎11 Nov 1937 's-Gravenhage, died ‎14 Nov 1937 's-Gravenhage‎

3.
man‎Otto Dijkgraaf‏‎
Born ‎26 Nov 1938 's-Gravenhage, died ‎05 Feb 1940 Wassenaar‎, 1 years

4.
unknown‎Levenloos geboren Dijkgraaf‏‎
Born ‎23 Jan 1947 's-Gravenhage at 15:45 hour, died ‎23 Jan 1947 's-Gravenhage at 15:45 hour‎



2nd marriage
man‎Ir. Johan Maxmilliaan "Jan" Dijkgraaf‏‎, son of Drs. Pieter Cornelis "Piet" Dijkgraaf and Priska Hildegarde Dorothea Exner‏.

Married ‎02 Aug 1960 Rotterdam (11 years married) to:

womanMaria Josephina Reinilda "Mia" Smeets‏, daughter of Peter Franciscus Smeets and Marie Nathalie Lambert‏.
Born ‎11 Feb 1909 Antwerpen (B.)‎, 113 years