Susanna was born on May 28th, 1736 and her christening took place on July 1st, 1736. Susanna's father was Abraham de Villiers and her mother was Johanna Lombaard. Her maternal grandparents were Jan Lombard and Louisa Joubert. She was an only child. She died at the age of 82 on September 6th, 1818 in Koopmanskloof.