Jacob Hornman was the youngest of the two sons of Simon Hornman and Sara Davidson. His parents were married on 8 June 1892 and two years later, on 24 February 1894 their first child was born, Joseph Hornman, named after his grandfather. Jacob followed only a number of years later: he was born on 2 April 1902 in Rotterdam.
Jacob Hornman, warehouse clerk and later sales representative, married on 16…