Riwallon of Cornouaille (849-900) was Count of Cornouaille from 870 to 900, succeeding Alfrond and preceding Gourmaelon. He was the son of King Erispoe and the father of Gourmaelon.
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Riwallon of Cornouaille (849-900) was Count of Cornouaille from 870 to 900, succeeding Alfrond and preceding Gourmaelon. He was the son of King Erispoe and the father of Gourmaelon.