Simon van Daelen, born in Vlaardingen on 24 May 1861, was a son of Hendrik van Daelen and Suzanna van Wessel. On 1 September 1886 he married in Rotterdam at the age of 25 the 24-year old Adriana van Stroom from Rotterdam, a daughter of Israël van Stroom and Cornelia Samson. The couple had five children, namely Hendrik in 1887, Isidoor in 1889, Andries Samson in 1891, Leonardus in 1893 and Cornelia…