"After Maye and Errol divorced in 1980, Elon mostly lived with his father, who says he owned thoroughbred horses, a yacht, several houses and a Cessna"[0]
"Errol returned to South Africa with a half-share in a Zambian emerald mine, which would help to fund his family's lavish lifestyle of yachts, skiing holidays, and expensive computers." [2]
[0] https://www.mercurynews.com/2014/04/10/2014-rocket-man-the-o...
[1] https://www.nytimes.com/2022/05/05/world/africa/elon-musk-so...
[2] https://web.archive.org/web/20211122143742/https://www.busin...