 Willem DedertBorn 13 Dec 1813 Rockanje, died 11 May 1875 Heenvliet at 10:00 hour, age 61 years Married 04 Jun 1841 Ridderkerk, age 27 years (married 33 years) to:  Jannigje Sparreboom, age by marriage 21 yearsBorn 13 Jan 1820 Ridderkerk, died 07 Jul 1889 Heenvliet at 02:00 hour, age 69 years Child: | |||