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").
Maona A maona (Arabic: معونة‎ ‎ "ma‘ūnah" 'help', Arabic: معاونة‎ ‎ "mu‘āwanah" 'mutual help') or Societas comperarum was a medieval Italian association of investors formed to manage the purchased shares ("loca" or "partes") of the revenue due to the relevant city-state through tax farming; the shares were individually sold to wealthy merchants, but the collection could be difficult and so these merchants would band together.