Izak van Polen, who was born on 18 February 1872 in Culemborg, was a son of Isak van Polen and Sara Wijsenbek. He was married on 21 September 1904 to Eva van Berg, a daughter of Benjamin van Berg and Griete Schaap. Eva was born in Gorredijk, municipality of Opsterland (Fr) on 20 July 1875.
Isaac was a diamond cutter by profession. After he married Eva in 1904, he and his wife lived briefly at anot…