The world’s three wealthiest people are expected to pop up in Washington, D.C., for Donald Trump’s inauguration and surrounding events—joining a long list of other billionaire attendees.

Fortune reported on the tensions of the past between the former and future president and the billionaires that’ll reportedly be near him during his inauguration. Trump once call

President-elect Donald Trump is expected to be joined by friends, family, and major technology firm CEOs when he’s sworn in as the next president of the U.S. on Monday.