Musk family – Wikipedia

Justine Musk (née Wilson; born 1972), Canadian author and former wife of Elon Musk. Kimbal Musk (born 1972), entrepreneur, philanthropist, and restaurateur. He founded Zip2 in 1998 with his brother Elon Musk and later sold it to Compaq for $307 million. He is the co-founder and chairman of Big Green.

https://en.wikipedia.org/wiki/Musk_family