 Pieter Dijkgraaf, son of Willem Dijkgraaf and Cornelia Kool.Born 09 Nov 1776 Nieuwenhoorn, baptised 10 Nov 1776 Nieuwenhoorn, died 24 Jan 1810 Nieuwenhoorn, age 33 years Married 29 Jan 1802 Nieuwenhoorn, age 25 years (married 2 years) to:  Wilhelmina van Bergen, age by marriage approximately 19 years, daughter of Henricus van Bergen and Maria Anna van Oss.Baptised 27 Mar 1782 Herpen (Overlangel), died 24 Aug 1804 Nieuwenhoorn, age approximately 22 years Child: 1. Cornelia DijkgraafBorn 23 Apr 1803 Nieuw Helvoet, baptised 06 May 1803 Heenvliet, died 27 Oct 1878 Rockanje at 10:00 hour, age 75 years. Occupation: arbeidster | |||
| 2nd marriage Pieter Dijkgraaf, son of Willem Dijkgraaf and Cornelia Kool. Married estimated 1805 Nieuwenhoorn, age approximately 29 years (married approximately 5 years) to: Hendrina van der Hoek, age by marriage approximately 25 years, daughter of Bouwe van der Hoek and Anna van Dijk.Born 23 Apr 1780 Spijkenisse, died 12 Sep 1813 Nieuwenhoorn at 08:30 hour, age 33 years Children: 1. Anna DijkgraafBorn 30 Jun 1806 Nieuwenhoorn, baptised 06 Jul 1806 Nieuwenhoorn, died 14 Aug 1851 Nieuwenhoorn at 12:00 hour, age 45 years 2. Willem DijkgraafBorn 10 Aug 1807 Nieuwenhoorn, baptised 16 Aug 1807 Nieuwenhoorn, died 21 Sep 1807 Nieuwenhoorn, age under 1 year old 3. Neeltje DijkgraafBorn 27 Oct 1808 Nieuwenhoorn, baptised 30 Oct 1808 Nieuwenhoorn, died 10 Jan 1810 Nieuwenhoorn, age 1 years 4. Pietertje DijkgraafBorn 24 Jul 1810 Nieuwenhoorn at 03:00 hour, baptised 12 Aug 1810 Nieuwenhoorn, died 10 Jan 1830 Spijkenisse, age 19 years. Occupation: werkster | |||