Other Billionaires
William the Conqueror
Portrait unavailableWilliam the Conqueror

#7 William the Conqueror

Estimated Wealth: $229.5 Billion

Empire / Country: England

Era: 11th Century

Other Historic Billionaires

Mansa Musa I

#1 Mansa Musa I

Mali Empire

14th Century

$400–500 Billion

John D. Rockefeller

#2 John D. Rockefeller

United States

19th–20th Century

$400 Billion

Historical profileAkbar the Great

#3 Akbar the Great

Mughal Empire (India)

16th Century

~$21 Trillion (GDP Share)