This fonds contains documents pertaining to the life of William Hespeler, such as confirmation of attending the Polytechnic Institute in Karlsruhe (1847-1849), of deferment from military service in 1850, of immigration to Canada, and of naturalization as a British subject. The fonds includes the items taken to Russia in 1872 (i.e. responses from Ottawa to the Russian Mennonite inquiries about priveledges been sought such as exemption from military service). The fonds also contains various items with the autographs of individuals such as Otto von Bismark, Kaiser Wilhelm II of Prussia, and the British monarch, Queen Victoria. The documents pertain to Hespeler's service to Canada or Germany.