 Cornelia Pieters Dijkgraaf, daughter of Pieter Wollebregts Dijkgraaf and Sijtje Louwerens van Rij.Baptised 24 Oct 1734 Rockanje, died estimated 1780, age approximately 46 years Marriage notice 05 Jan 1759 Oostvoorne. to:  Jacob Pieterse Boutkan, son of Pieter Jacobs Boutkan and Ariaantje Willems Hoogenboom.Born 14 Mar 1723 Oostvoorne, died ± 1759 Oostvoorne, age approximately 36 years | |||
| 2nd marriage Cornelia Pieters Dijkgraaf, daughter of Pieter Wollebregts Dijkgraaf and Sijtje Louwerens van Rij. Married 17 Aug 1760 Oostvoorne, age approximately 25 years (married approximately 20 years) to: Cornelis Vogelaar, age by marriage 36 years, son of Abram Vogelaar and Pleuntje Abramsdr. Dorp.Born 08 Sep 1723 Heenvliet, baptised 19 Sep 1723 Heenvliet Children: 1. Pleuntje VogelaarBaptised 01 Mar 1761 Oostvoorne 2. Pieter VogelaarBaptised 04 Jul 1762 Oostvoorne 3. Leentje VogelaarBaptised 18 Nov 1764 Nieuw Helvoet 4. Geertruij VogelaarBaptised 19 Oct 1766 Nieuw Helvoet 5. Abram VogelaarBaptised 24 Jan 1768 Nieuw Helvoet | |||
| 3rd marriage Cornelia Pieters Dijkgraaf, daughter of Pieter Wollebregts Dijkgraaf and Sijtje Louwerens van Rij. Married 02 May 1773 Nieuw Helvoet, age approximately 38 years (married approximately 7 years) to: Dirk Lammertse, age by marriage approximately 27 years, son of Pieter Lammertse and Maggeltje Touw.Baptised 10 Apr 1746 Nieuw Helvoet Child: 1. Magteltje LammertseBaptised 02 Oct 1774 Nieuw Helvoet | |||