 Willem Pieter Dijkgraaf, son of Ferdinandus Antonius Dijkgraaf and Johanna Doraa Globitz.Born 18 Oct 1823 Delft, baptised 21 Dec 1823 Delft, died 11 Mar 1903 Amersfoort at 04:00 hour, 79 years. Occupation: Mr. timmerman/koopman/tekenmeester/opzichter Staatsspoorwegen/opzichter Waterstaat Married 28 Aug 1850 Delft (13 years married) to:  Cornelia Zeelenberg, daughter of Cornelis Zeelenberg and Gerritje Rijneke (Reinke).Born 31 Jul 1821 Delft, died 05 Oct 1863 Delft, 42 years Child: 1. Ferdinandus Anthonius DijkgraafBorn 06 Mar 1851 Delft, died 21 Aug 1890 Amersfoort, 39 years | |||
| 2nd marriage Willem Pieter Dijkgraaf, son of Ferdinandus Antonius Dijkgraaf and Johanna Doraa Globitz. Married 15 May 1865 Venlo (37 years married) to: Lutzia Willemina Guise, daughter of William Christiaan Guise and Lucia van Wijk.Born 11 Nov 1839 Hof van Delft, died 01 Oct 1916 Rotterdam, 76 years Children: 1. Lutzia Martha DijkgraafBorn 14 Apr 1866 Horst, died 22 Sep 1933 Harlingen at 08:30 hour, 67 years, buried 26 Sep 1933 Groningen, Noorderbegraafplaats 2. William Christiaan DijkgraafBorn 10 Aug 1868 Zaltbommel, died 01 Mar 1935 Arnhem, 66 years. Occupation: horlogemaker/goudsmid/juwelier/opticien 3. Johanna Theodora DijkgraafBorn 02 May 1870 Zaltbommel, died 30 Jul 1942 Leeuwarden, 72 years | |||