That is Jeff Bezos’s Ex-Wife, Novelist MacKenzie Bezos? She issued a declaration on Twitter today, apparently confirming that her wedding to Jeff Bezos was indeed dissolved. Jeff Bezos could be the wealthiest guy on earth. But while Jeff has been around the limelight for decades by way of their founding for the retail giant Amazon, one other 1 / 2 of the planet’s wealthiest few, MacKenzie Bezos, has mostly remained out…