 Izak Cornelis Dijkgraaf, son of Leendert Dijkgraaf and Jannetje Mol.Born 22 Sep 1872 Heenvliet at 10:30 hour, died 25 Jul 1961 Rotterdam, age 88 years. Occupation: sleepbootkapitein SHV Married 20 Dec 1900 Heenvliet, age 28 years (married 27 years) to:  Maaike Blommers, age by marriage 21 years, daughter of Jacob Blommers and Maria Brand.Born 14 Oct 1879 Hoge en Lage Zwaluwe (Moerdijk/Klundert) at 04:00 hour, died 17 Aug 1928 Rotterdam, age 48 years Children: 1. Jannetje DijkgraafBorn 08 May 1901 Rotterdam, died 08 Aug 1901 Rotterdam, age under 1 year old 3. Jannetje DijkgraafBorn 06 Jun 1903 Rotterdam, died 11 Dec 1974 Delft, age 71 years. Occupation: dienstbode/verkoopster/huishoudster 4. Jacoba DijkgraafBorn 26 Jun 1905 Rotterdam, died 07 Apr 1906 Rotterdam, age 0 years 5. Leendert "Leen" DijkgraafBorn 18 Dec 1911 Rotterdam, died 21 Aug 2002 Capelle aan den IJssel, age 90 years, buried 26 Aug 2002 Rotterdam, Begraafplaats Crooswijk. Occupation: machinist GEB Rotterdam 6. Jacob DijkgraafBorn 26 Aug 1915 Rotterdam, died 20 Apr 1989 Vlaardingen, age 73 years. Occupation: magazijnmeester Wilton Feijenoord/havenarbeider/verfspuiter | |||
| 2nd marriage Izak Cornelis Dijkgraaf, son of Leendert Dijkgraaf and Jannetje Mol. Married 28 Dec 1934 Rotterdam, age 62 years (married 26 years) to: Cornelia Anna Maria Peters, age by marriage 46 years, daughter of Jacobus Nicolaas Peters and Apolonia Elizabeth de Vos.Born 04 Apr 1888 Rotterdam, died 10 Jul 1981 Rotterdam, age 93 years | |||