Timeline Chart

Male  Cornelis de Ridder
Female  Jacoba Koolen
1822--
1824--
1827--
1830--
1833--
1836--
1839--
1842--
1845--
1848--
1851--
1854--
1857--
1860--
1863--
1866--
1869--
1872--
1875--
1878--
1881--
1884--
1887--
1890--
1893--
1896--
1899--
1902--
1905--
1908--
1911--
1914--
1917--
1920--
1923--
1926--
1929--
1932--
1935--
1938--
1941--
Birth -- 14 January 1827 Leiden
Birth -- 16 June 1846 47 44 Leiden
Civil Marriage -- 21 February 1872 ‏(Husband's age 45,‏ Wife's age 25) Leiden Cornelis de Ridder + Jacoba Koolen
Death -- 1 June 1908 ‏(Age 81)‏ Leiden
Death -- 20 February 1936 ‏(Age 89)‏ Oestgeest