Henry of Almain
Henry of Almain, also called Henry of Cornwall, was the eldest son of Richard, Earl of Cornwall, afterwards King of the Romans, by his first wife Isabel Marshal. His surname is derived from a vowel shift in pronunciation of d'Allemagne ; he was so called by the elites of England because of his father's status as the elected German King of Almayne.
Life
Henry was knighted by his father the day after Richard was crowned King of the Romans at Aachen, the usual coronation place for German kings. Richard's coronation took place on 17 May 1257.As a nephew of both Henry III and Simon de Montfort, he wavered between the two at the beginning of the Barons' War, but finally took the royalist side and was among the hostages taken by Montfort after the Battle of Lewes, was held at Wallingford Castle and later released.
In 1268 he took the cross with his cousin Edward, who, however, sent him back from Sicily to pacify the unruly province of Gascony. Henry took the land route with Philip III of France and Charles I of Sicily.