Oysters are reared chiefly at Marennes, which is the chief French market for them, and at Arcachon, Vannes, Olron, Auray, Cancale and Courseulles.
In 1550 he was given the bishopric of Vannes, and in 1 557 the archbishopric of Vienne; he also became a member of the privy council.
He distinguished himself by a brilliant action at the siege of Vannes in 1342; and after that he disappears from history for some years.
He died at Vannes on the 5th of April 1419, and was canonized by Calixtus III.
He was educated in a Jesuit school at Vannes, and studied law in Paris.
