[monk] Aio (died 974) was an English monk in Crowland Abbey in Lincolnshire and historian. He is only mentioned in the History of Ingulf, afterwards abbot of the same monastery. From this account we learn that after the death, in 941, of Æthelstan, the special patron of Croyland, as well as of the abbot and two of the elder brothers, the m... Found on http://en.wikipedia.org/wiki/Aio_(monk)