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David Koch and Julia Flesher Koch were married for 23 years.
- Julia Flesher Koch recently became one of the richest women in the world.
- The wife of late billionaire industrialist David Koch inherited billions after he died in August 2019 with an estimated $53.5 billion fortune, according to Bloomberg and Forbes.
- Bloomberg pegs Flesher Koch's net worth at $61.6 billion, which would make her the richest woman in the world.
- Forbes, however, estimates her wealth to be significantly lower, at $43 billion, which would make her the third-richest woman in the world after Francoise Bettencourt Meyers and Alice Walton.
- A spokesperson for Koch Industries told Business Insider that Koch's shares of the company remained with the family after his death, but declined to offer any more details.
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Julia Flesher Koch, the wife of late billionaire industrialist David Koch, recently became one of the richest women in the world.
Koch, who died in August 2019 at age 79, controlled a fortune estimated at $53.5 billion, which meant that he and his brother Charles were tied as the seventh-richest Americans, according to the Forbes 400 ranking.
Bloomberg pegs his widow's, Flesher Koch's, net worth at $61.6 billion, which would make her the richest woman in the world. Forbes, however, estimates her wealth to be significantly less, at $43 billion, which would make her the third-richest woman in the world after Francoise Bettencourt Meyers and Alice Walton.
Koch also left behind at least $143 million worth of real estate in New York City, the Hamptons, Aspen, and Florida, but the fate of those properties after his death is unknown.
Here's a look at Flesher Koch's life, real estate, and finances.