Guy III Trousseau (died 1109) was lord of Montlhéry, and the son of Milo I of Montlhéry[1] and Lithuise.
[2] Guy had the temperament of a warrior and went on the First Crusade in 1096.
[3] He was one of those who deserted the army during the Siege of Antioch,[3] and did not dare return directly to France, instead returning home by a long detour through Epirus and Italy.
Guy had only one child:
This biography of a French peer or noble is a stub.