https://www.reuters.com/article/us-people-bezos-divorces-facbox/factbox-high-profile-corporate-chieftains-divorces-idUSKCN1P42CE >Amazon founder Jeff Bezos, the world's richest man, and his wife MacKenzie, who announced on Wednesday that they are divorcing, are the latest of a long line of rich and powerful couples whose marriages came to a public end, often with a hefty price tag.