Prince Louis of Cambridge – $1 billion
Prince Louis of Cambridge was one of the royal family’s newest members. He hadn’t even reached the age of a year. He did, however, have a sizable savings account. Experts estimated that he would boost the British economy by $70 million. According to Marie Claire, Louis was born with a net worth of $1 billion. Tourists who came to the country bought some of the royal items that included his name and likeness.