Johanna Maria Booysen (née Drotskie) (17 January 1857 - 16 June 1968) was a verified South African supercentenarian who, at the age of 111 years, 151 days, was the oldest verified living person. She is also the oldest verified South African person ever. Having been married twice in her lifetime, at the time of her death, she was reported to have at least 600 living descendants. She had 16 children, and outlived 11 of them. She was married at 16, and her first child was born at 18.