 Maarten Dijkgraaf, son of David Dijkgraaf and Willemina Dedert.Born 28 Feb 1872 Heenvliet at 19:00 hour, died 19 Oct 1941 Rotterdam, age 69 years, buried 22 Oct 1941 Rotterdam, Algemene Begraafplaats Crooswijk. Occupation: kapitein/eigenaar van de sleepboten "Ons Verlangen", "Cito" en "Quarto" Married 27 Jun 1901 Werkendam, age 29 years (married 12 years) to:  Cornelia Potters, age by marriage 32 years, daughter of Christoffel Potters and Adriana van der Giessen.Born 03 Sep 1868 Werkendam, died 10 Feb 1914 Rotterdam, age 45 years Children: 1. David DijkgraafBorn 07 Feb 1902 Rotterdam, died 17 Mar 1969 Rotterdam, age 67 years. Occupation: kapitein/eigenaar van de sleepboot "Quarto"/kantoorbediende bij P. Smit 2. Adriana Christina DijkgraafBorn 21 Oct 1904 Rotterdam, died 12 Aug 1982 Rotterdam, age 77 years 3. Wilhelmina DijkgraafBorn 29 Aug 1906 Rotterdam, died 28 May 1945 Rotterdam, age 38 years, buried 02 Jun 1945 Rotterdam, Algemene Begraafplaats Crooswijk | |||
| 2nd marriage Maarten Dijkgraaf, son of David Dijkgraaf and Willemina Dedert. Married 04 Oct 1916 Rotterdam, age 44 years (married 25 years) to: Maatje Jacoba van Dokkum, age by marriage 36 years, daughter of Gerrit van Dokkum and Sara Jacoba Outermans.Born 07 Mar 1880 Vlissingen, died 14 Feb 1954 Rotterdam, age 73 years | |||