Thomas III d'Autremencourt

Thomas III d'Autremencourt or de Stromoncourt (died 15 March 1311) was the fourth Lord of Salona (modern Amfissa) in Central Greece, and the last of his family. He ruled his domain from 1294 until his death in the Battle of the Cephissus against the Catalan Company in 1311. At the same time, he also held the position of marshal of the Principality of Achaea. After his death, his widow and domain passed to Roger Deslaur, who in the aftermath of Cephissus was for a brief time (1311–1312) selected as the leader of the Catalan Company.

Life He was the son of William d'Autremencourt and an unknown woman. He also had a sister, Agnes, who married Dreux de Beaumont marshal of Charles I of Naples.

Autremoncourts paternal grandmother was a de Villehardouin and niece of William de Villehardouin.

Family He married Alice de la Roche of Athens and had;

Marie de Stromoncourt , married Roland of Sicily

After his death the lordship of Salona was given to Roger Deslaur, who also married Autremoncourts widow.