Bhumibol Adulyadej, the King of Thailand, is the longest-reigning monarch in Thai history, with an estimated wealth of $30 billion in 2014, according to Business Spectator and Forbes. King Bhumibol’s wealth is managed by the Crown Property Bureau. read more
The Top 10 Richest Royals in the World They are the kings of the world, the top monarchs who receive adulation from their people. They also hold substantial amounts of wealth and fortune. read more