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Matthew (c. 1363 – 1398) was a count of Foix an viscount of Béarn. In 1391. he succeeded Gaston Phoebus, his first cousin once removed, as count. He asserted the sovereignty of Béarn and, as son-in-law of John I, contested the Crown of Aragon with John's brother Martin I from 1396. He and his wife, Joanna, had no children.