Elon Musk expects financial return from his sister.
=== Sources of wealth ===Around 75% of Musk's wealth derived from Tesla stock in November 2020, a proportion that fell to about 37% as of December 2022, after selling nearly $40 billion in company shares since late 2021
 With an estimated net worth of around $175 billion as of February 3, 2023, primarily from his ownership stakes in Tesla and SpaceX, Musk is the second-wealthiest person in the world, according to both the Bloomberg Billionaires Index and Forbes's real-time billionaires list

