 Derk Willem Dijkgraaf, son of Gerrit Jan Dijkgraaf and Willemina "Mina" Sanders.Born 13 Nov 1868 Epe, died 03 Mar 1930 Rotterdam at 11:00 hour, age 61 years, buried Rotterdam; grafno. 725. Occupation: koopman in oud roest en ongeregelde goederen Married 20 Mar 1895 Amsterdam, age 26 years Divorced 30 Jul 1912 Rotterdam (married 17 years) from:  Elisabeth van Doorn, age by marriage 17 years, daughter of Cornelis van Doorn and Geertruida Maria Dikhout.Born 14 Dec 1877 Amsterdam, died 12 Sep 1940 Schiedam, age 62 years Children: 1. Wilhelmina DijkgraafBorn 19 Sep 1895 Amsterdam, died 25 Feb 1915 Rotterdam, age 19 years 2. Carolina Henriëtta DijkgraafBorn 11 Dec 1896 Amsterdam, died 06 Jan 1915 Overschie, age 18 years. Occupation: dienstbode 3. Martha Maria DijkgraafBorn 08 Dec 1898 Amsterdam, died 28 Apr 1936 Rotterdam, age 37 years, buried 02 May 1936 Rotterdam, Algemene Begraafplaats Crooswijk 4. Geertruida DijkgraafBorn 30 Nov 1900 Amsterdam, died 10 Apr 1935 Leiden (Waarsch. Ac.Ziekenhuis), age 34 years | |||