Julia Koch
In the case of Julia Flesher’s husband, David Koch, he had the good fortune of being born into an affluent family. Over the years, his part of the family fortune has increased to more than $50 billion.
It made him and his brother the wealthiest members of his extended family. The couple tied the knot in 1996 and went on to raise three children who were all healthy. David Koch, 79, passed away in 2019 after a long fight with prostate cancer.