Sohier of Enghien was the titular Duke of Athens

Duchy of Athens

The Duchy of Athens was one of the Crusader States set up in Greece after the conquest of the Byzantine Empire during the Fourth Crusade, encompassing the regions of Attica and Boeotia, and surviving until its conquest by the Ottoman Empire in the 15th century....

, and Count of Brienne and Lord of Enghien from 1356 to 1364.

The second, but eldest surviving son of Walter of Enghien and Isabella of Brienne

Isabella of Brienne

Isabella of Brienne was suo jure Countess of Lecce and Conversano, claimant to the Duchy of Athens and Kingdom of Jerusalem, etc.-Family and early years:...

, when his mother divided the inheritance of his uncle Walter VI of Brienne

Walter VI of Brienne

Walter VI of Brienne was Count of Brienne, Conversano, and Lecce, and titular Duke of Athens. Walter was the son of Walter V, Duke of Athens, and Jeanne de Châtillon , the daughter of the Count of Porcien, a constable to King Philip IV of France.As grandson of Hugh of Brienne Walter VI of Brienne...

 among her sons, he received the title of Duke of Athens. He was executed by Albert, Duke of Bavaria in 1364, leaving the titular Duchy to his son Walter IV of Enghien

Walter IV of Enghien

Walter IV of Enghien , Hainault nobleman and soldier, was the son of Sohier of Enghien. He was Count of Brienne and Lord of Enghien 1364–1381....

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