Jacobus was born on November 3rd, 1883 in Heidelberg CP and his baptism took place there on January 27th, 1884. Jacobus' father was Michiel Ferdinand de Villiers (Johannes) and his mother was Elizabeth Maria Kemp. His paternal grandparents are <Unknown> and <Unknown>. He was an only child. He died at the age of 76 on January 23rd, 1960 in Montagu.