King of Northumbria; martyr; born in England c.604;died there in 642. Son of King Ethelfrid, he was converted during his exile among the Scots. He reconquered his country from the Britons (635), erecting, on the battlefield, a wooden cross which, according to Bede, was considered miraculous. He built up a great kingdom, and with the aid of Saint Aidan introduced Christianity, founding many churches and monasteries. He died in the Battle of Maserfeld against the pagan King Penda of Mercia. Patron of Zug, Switzerland. Relics at Durham (998), and Gloucester. Feasts, August 5, and August 7,.