How the world’s mysterious rich people made their fortune

[post_page_title]Mary-Kate and Ashley Olsen[/post_page_title]

The Olsen twins are well known for their acting career, and while they’ll always be remembered for iconic roles like Michelle Tanner on Full House, that’s not how they made their $250 million each, or $500 million combined.

Mary-Kate and Ashley Olsen

By age 20, they already had a combined net worth of $100 million, much thanks to a retail enterprise that sold, yearly, around $1 billion worth of merchandise. Also, in 2006 they launched their acclaimed fashion brand The Row, followed by Elizabeth and James.

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