A Business Insider study found these were the 10 wealthiest royal families on the planet.
1. King Maha Vajiralongkorn, Thailand
The Thai royal family is currently the richest in the world.
King Maha Vajiralongkorn is estimated to be worth an eye-watering $30 billion (£24 billion).
The monarch’s wealth comes from investments made by the Crown Property Bureau.
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https://www.express.co.uk/news/royal/1156002/The-Queen-net-worth-revealed-richest-royals-in-the-world-revealed
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Royal shock: The king of Thailand (left) is the world's richest monarch (Image: GETTY)