 Jacobus Petrus Dijkgraaf, son of Pieter Nicolaas Dijkgraaf and Hendrika van den Berg.Born 02 Jul 1850 Delft, died 15 Oct 1922 Delft, 72 years, buried 18 Oct 1922 Delft, R.K. Kerkhof Married 17 Nov 1875 Delft (46 years married) to:  Theodora Catharina Joanna van Moorsel(e), daughter of Gerardus van Moorsel(e) and Johanna Maria Abel.Born 13 Mar 1852 Delft, died 07 Sep 1923 Delft, 71 years Children: 1. Petrus Johannes Nicolaas DijkgraafBorn 08 Sep 1876 Delft, died 28 Feb 1935 Rotterdam, 58 years. Occupation: instrumentenmaker 2. Johannes Bernardus Cornelis DijkgraafBorn 07 Oct 1880 Delft, died 10 Jan 1938 Rotterdam, 57 years. Occupation: zadelmaker | |||