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.
Henry II, Count of Louvain Henry II (German: "Heinrich", Dutch:"Hendrik", French: "Henri") was Count of Louvain (Leuven) from 1054 through 1071 (?). Henry II was the son of Lambert II, Count of Louvain and Oda of Verdun. His maternal uncles included Pope Stephen X and Godfrey the Bearded, Duke of Lorraine.