Mathieu III de Trie (died 26 November 1344) was a 14th-century French military and political leader.
[1][2] Mathieu was born as the heir to House de Trie [fr] in France.
During this engagement his father Renaud was killed, leaving Mathieu to inherit his titles.
[4] His notoriety greatly increased after his younger brother Guillaume de Trie crowned Philip VI of France.
Mathieu headed a coalition of Norman lords to support a French conquest of England, and personally pledged 44,000 men to the venture.