John Mansel


  • Richest of the Rich position: 138
  • Birth/Death: died 1265
  • Origin of wealth: Politics
  • Wealth: £15,000
  • Net National Income: £3.3m
  • Net National Income Percent: 0.45%
  • In Today’s Money: £4.994 billion

The son of a cleric, John Mansel was one of Henry III’s key servants, particularly in foreign policy. Educated at court, he was employed in the Exchequer from 1234, and for the next thirty years until his death in 1265, he held a number of key posts. Mansel was well rewarded with income from various appointments running into thousands of marks a year. He also had a reputation as a fighting cleric until a stone crushed his leg in France in 1243.

Regarded as ‘almost the Wolsey of his age’, Mansel stirred up jealous opposition and was forced into exile in 1263. He died abroad and his £15,000 fortune would have been about 0.45% of net national income, or £4.9bn in today’s terms.

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