#6 Osman Ali Khan - Net Worth $230 Billion
Osman Ali Khan, also known as The Nizam of Hyderabad, was the ruler of Hyderabad until the country was invaded by neighbor India. Mir Osman Ali Khan had a personal collection of gold that was worth more than $100 million and owned over $400 million worth of jewels including the famous Jacob Diamond which is worth $95 million today. Khan used the diamond as a paperweight in his office. He supposedly owned more than 50 Rolls Royces.
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