Montmorency, Mathieu II, baron de (mätyöˈ bärôNˈ də môNmôräNsēˈ) [key], d. 1230, constable of France (1218–30), called the Great Constable. He fought under Philip II at Château Gaillard (1203–4) and Bouvines (1214) and under Louis VIII against the English (1224) and the Albigenses (1226). In Louis XI's minority he supported Blanche of Castile.
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