Henry of Almain was the song of one of the wealthiest men in Europe who joined what?
Henry of Almain Henry of Almain (Anglo-Norman French: "Henri d'Almayne") (2 November 1235 – 13 March 1271) was the son of Richard, 1st Earl of Cornwall and his first wife Isabel Marshal. His surname is derived from a vowel shift in pronunciation of "d'Allemagne" (English: of Germany), so called by the elites of England because of his father's status as the elected German King of the Romans (the "King of Almayne").
Louis X of France Louis X (4 October 1289 – 5 June 1316), called the Quarreler, the Headstrong, or the Stubborn (French: "le Hutin" ), was a monarch of the House of Capet who ruled as King of Navarre (as Louis I Basque: "Luis I.a Nafarroakoa" ) and Count of Champagne from 1305 and as King of France from 1314 until his death.