 Willem Dijkgraaf, son of Pieter Ariens Dijkgraaf and Stijntje Willemze Schouten.Baptised 09 Feb 1749 Nieuwenhoorn, died 28 Sep 1816 Rockanje at 15:00 hour, approximately 67 years Marriage notice 22 Nov 1771 Nieuwenhoorn. Married 15 Dec 1771 Nieuwenhoorn (32 years married) to:  Cornelia Kool, daughter of Cornelis Kool and Magteltje Haasdijk.Born 03 Jan 1745 Nieuwenhoorn, died 30 Aug 1804 Rockanje, 59 years Children: 1. Pieter DijkgraafBorn 22 Apr 1772 Nieuwenhoorn, baptised 26 Apr 1772 Nieuwenhoorn, died 11 Jun 1772 Nieuwenhoorn, under 1 year old 2. Sara DijkgraafBorn 08 Aug 1773 Nieuwenhoorn, baptised 15 Aug 1773 Nieuwenhoorn, died 17 May 1837 Rockanje at 20:00 hour, 63 years 3. Stijntje DijkgraafBorn 25 Feb 1775 Nieuwenhoorn, baptised 26 Feb 1775 Nieuwenhoorn, died 06 Jun 1775 Nieuwenhoorn, under 1 year old 4. Pieter DijkgraafBorn 09 Nov 1776 Nieuwenhoorn, baptised 10 Nov 1776 Nieuwenhoorn, died 24 Jan 1810 Nieuwenhoorn, 33 years 5. Neeltje Willems DijkgraafBorn 13 Jun 1779 Nieuwenhoorn, baptised 20 Jun 1779 Nieuwenhoorn, died 23 Oct 1808 Rockanje, 29 years 6. Magteltje DijkgraafBaptised 09 Sep 1781 Nieuwenhoorn, died 05 Apr 1783 Nieuwenhoorn, approximately 1 years 7. Magteltje DijkgraafBaptised 14 Nov 1784 Nieuwenhoorn, died 19 Jun 1841 Oostvoorne at 01:00 hour, approximately 56 years | |||
| 2nd marriage Willem Dijkgraaf, son of Pieter Ariens Dijkgraaf and Stijntje Willemze Schouten. Married 03 Nov 1805 Rockanje (10 years married) to: Leentje Vermeulen, daughter of Jan Vermeulen and Catharina Berkhout.Born 30 Oct 1763 Spijkenisse, died 24 May 1828 Rockanje at 16:00 hour, 64 years Child: 1. Jan DijkgraafBorn 22 Mar 1807 Rockanje, died 14 Sep 1807 Rockanje, under 1 year old | |||