Either at the start of the dynasty , c. 1805 BC or toward the middle of it in c. 1710 BC , the provincial ruling family in Xois , located in the marshes of the eastern Delta , broke away from the central authority to form the Canaanite Fourteenth Dynasty .
Either at the start of the dynasty , c. 1805 BC or toward the middle of it in c. 1710 BC , the ruling family in Xois , located in the marshes of the eastern Delta , broke away from the central authority to form the Canaanite Fourteenth Dynasty .