| Net Worth: | $147 Billion |
William de Warenne net worth: William de Warenne was a Norman nobleman who had an inflation-adjusted net worth of $147 billion. William de Warenne was the Earl of Surrey under William II “Rufus”. William de Warenne was documented to be with William the Conqueror at the Battle of Hastings in 1066. He ruled extensive lands in 13 countries including the Rape of Lewes in Sussex at the Domesday Survey. William de Warenne was among the Norman barons who were summoned to a council by Duke William to oppose King Harold II’s ascension to the throne of England. William de Warenne fought the rebels at the Isle of Ely in 1071 and showed a desire to hunt down Hereward the Wake for killing his brother-in-law Frederick. Hereward unhorsed William de Warenne with an arrow shot. William de Warenne was the 2nd Earl of Surrey and was married to Gundred, Countess of Surrey.