Henry of Almain was the song of one of the wealthiest men in Europe who joined what?
Richard, 1st Earl of Cornwall Richard (5 January 1209 – 2 April 1272), second son of John, King of England, was the nominal Count of Poitou (1225-1243), Earl of Cornwall (from 1225) and King of Germany (from 1257). He was one of the wealthiest men in Europe and joined the Barons' Crusade, where he achieved success as a negotiator for the release of prisoners and assisted with the building of the citadel in Ascalon.
Thingmen The Thingmen (also known as Þingalið (pronounced ] , literally "assembly retinue") was a standing army in the service of the Kings of England during the period 1013-51, financed by direct taxation which had its origins in the tribute known as Danegeld. It consisted mostly of men of Scandinavian descent and it had an initial strength of 3,000 housecarls and a fleet of 40 ships, which was subsequently reduced. Its last remnant was disbanded by Edward the Confessor in 1051.