From Wikipedia:

Maye Musk (née Haldeman; born April 19, 1948) is a model and dietitian. She has been a model for 50 years, appearing on the covers of magazines, including a Time magazine health edition, Women's Day, international editions of Vogue, and Sports Illustrated Swimsuit Issue. She is the mother of Elon Musk, Kimbal Musk and Tosca Musk. She holds Canadian, South African and American citizenship. She is a registered dietitian and earned two master's degrees in diet and nutrition.