Coenraad Blog, born on 20 August 1865 in Amsterdam, was a son of Mozes Joseph Blog and Naatje Achsteribbe. He was a diamond cutter and married on 7 June 1905 in Amsterdam the 31-year-old Roosje Stodel, a daughter of Joseph Stodel and Elisabeth (Betje) Metz, who was also born in Amsterdam on 12 January 1874. Coenraad and Roosje had two children, namely Moses in 1906 and Joseph in 1916.
After they …