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Bezos Mistress to cost founder half his fortune. But although Bezos and his wife have reportedly been separated for some time - with Page Six noting that the couple hadn't been seen in public together for a long time - the gossip page suspects that Bezos decided to make his announcement on Wednesday to get out ahead of reports about his relationship with Sanchez.

But if MacKenzie has any lingering anger about the breakup, the simple fact that she could soon become the world's wealthiest woman should help soothe her anxieties.

As Bloomberg reports, walking away with half of the Bezos fortune would put MacKenzie Bezos ahead of Francoise Bettencourt Meyers, the granddaughter of the founder of cosmetics manufacturer L’Oreal SA (Bettencourt is worth some $45 billion).

Richest

MacKenzie would be in good company among the wealthiest women. Because as it turns out, most of the 66 women on the Bloomberg's list came into their wealth through death or divorce. Out of the 66 women, only six are self-made, compared with 313 self-made men.

But it's still unclear whether the Bezos will evenly divide Jeff's 16% stake in the e-commerce giant he founded, we can't help but wonder: Was his relationship with Sanchez really