Machiel van Engers was the 5th child and son of Nathan Jacob van Engers and Sophia Sanders. He was born on 2 August 1912 in Rotterdam and he was working as a butcher’s servant and as a butcher, but also his profession as pugilist is to be found at the family registration card from the City Archive of Rotterdam, when he returned in Rotterdam Haag on 17 April 1936 after a stay of over two months at …