When Martinus Treffers was born on 14 September 1879, in Besoijen, North Brabant, Netherlands, his father, Francois Jacobus Treffers, was 33 and his mother, Johanna Treffers, was 37. He married Rengertje Pas on 21 August 1912, in Amersfoort, Utrecht, Netherlands. He died on 29 August 1953, in Hilversum, North Holland, Netherlands, at the age of 73.