Samuel Hartogensis was a son of Jacobus Jeronimus Hartogensis and Sophie van Ham. He was born in Tilburg on 11 July 1872 as the youngest in a family of six children; he has four other brothers and one sister, namely Gabriel Jacob, Joseph, Isidore, Hendrik Jacob and Adèle Louise.
Samuel and his brother Hendrik Jacob were dealers in metals. Both the brothers left Tilburg for Rotterdam on 1 May 1901,…