An African - Mansa Musa Of Mali was named World's richest Man Of All Time by Celebrity Net Worth ; Gate, Rothschild, Ford, Buffet also made List

"You've probably never heard of him, but Mansa Musa is the richest person ever. The 14th century emperor from West Africa was worth a staggering $400 billion, after adjusting for inflation, as calculated by Celebrity Net Worth. To put that number into perspective -- if that's even possible -- Net Worth's calculations mean Musa's fortune far outstrips that of the current world's richest man Carlos Slim Helu and family.

According to Forbes, the Mexican telecom giant's net worth is $69 billion. Slim edges out the world's second wealthiest man, Bill Gates, who is worth $61 billion, according to Forbes. Some of the oldest fortunes in question date back 1,000 years. No. 7 on the list, for example, is William the Conqueror. The illegitimate son of the Duke of Normandy, William lived between 1028-1087 and gained infamy for invading and seizing England in 1066." - Huffington Post

The 25 Richest People of All Time

#1 Mansa Musa I – Net Worth $400 Billion

#2 The Rothschild Family – $350 Billion

#3 John D. Rockefeller – Net Worth $340 Billion

#4 Andrew Carnegie – Net Worth $310 Billion

#5 Nikolai Alexandrovich Romanov – Net Worth $300 Billion

#6 Mir Osman Ali Khan – Net Worth $230 billion

#7 William The Conqueror – Net Worth $229.5 Billion

#8 Muammar Gaddafi – Net Worth $200 Billion

#9 Henry Ford – Net Worth $199 Billion

#10 Cornelius Vanderbilt – Net Worth $185 Billion

#11 Alan Rufus – $178.65 billion

#12 Bill Gates – Net Worth $136 Billion

#13 William de Warenne – Net Worth $147.13 Billion

#14 John Jacob Astor – Net Worth $121 Billion

#15 Richard Fitzalan 10th Earl of Arundel – Net Worth $118.6 Billion

#16 John of Gaunt – Net Worth $110 Billion

#17 Stephen Girard – Net Worth $105 Billion

#18 A.T. Stewart – Net Wort $90 Billion

#19 Henry Duke of Lancaster – Net Worth $85.1 Billion

#20 Friedrich Weyerhauser – Net Worth $80 Billion

#21 Jay Gould – Net Worth $71 Billion

#22 Carlos Slim Helu – Net Worth $68 Billion

#22 Stephen Van Rensselaer – Net Worth $68 Billion

#23 Marshall Field – Net Worth $66 Billion

#24 Sam Walton – Net Worth $65 Billion

#25 Warren Buffett – Net Worth $64 Billion

Source: http://www.celebritynetworth.com