When Jacobus Johannes Addink was born on 19 November 1899, in Delft, South Holland, Netherlands, his father, Frederik Addink, was 35 and his mother, Maria Jacoba Krijgsman, was 36. He married Margaretha van der Spek on 26 November 1924, in Delft, South Holland, Netherlands. They were the parents of at least 1 son. He died on 27 December 1975, in his hometown, at the age of 76.