 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, age 79 years. Occupation: Mr. timmerman/koopman/tekenmeester/opzichter Staatsspoorwegen/opzichter Waterstaat Married 28 Aug 1850 Delft, age 26 years (married 13 years) to:  Cornelia Zeelenberg, age by marriage 29 years, daughter of Cornelis Zeelenberg and Gerritje Rijneke (Reinke).Born 31 Jul 1821 Delft, died 05 Oct 1863 Delft, age 42 years Child: 1. Ferdinandus Anthonius DijkgraafBorn 06 Mar 1851 Delft, died 21 Aug 1890 Amersfoort, age 39 years | |||
| 2nd marriage Willem Pieter Dijkgraaf, son of Ferdinandus Antonius Dijkgraaf and Johanna Doraa Globitz. Married 15 May 1865 Venlo, age 41 years (married 37 years) to: Lutzia Willemina Guise, age by marriage 25 years, daughter of William Christiaan Guise and Lucia van Wijk.Born 11 Nov 1839 Hof van Delft, died 01 Oct 1916 Rotterdam, age 76 years Children: 1. Lutzia Martha DijkgraafBorn 14 Apr 1866 Horst, died 22 Sep 1933 Harlingen at 08:30 hour, age 67 years, buried 26 Sep 1933 Groningen, Noorderbegraafplaats 2. William Christiaan DijkgraafBorn 10 Aug 1868 Zaltbommel, died 01 Mar 1935 Arnhem, age 66 years. Occupation: horlogemaker/goudsmid/juwelier/opticien 3. Johanna Theodora DijkgraafBorn 02 May 1870 Zaltbommel, died 30 Jul 1942 Leeuwarden, age 72 years | |||