1 April 1258, the despot Mihal of Epirus gives Burtinti and the Albanian coast, as a dowry for the marriage of the son of the German Emperor

In April 1258, between the despot of Epirus Mihal II and King Manfred from the house Hohenshtaufen, who ruled in southern Italy, as son of the German Emperor, was connected a military alliance, that was strengthened by the marriage of the daughter of the despot with Manfredi . As dowry, to the groom were handed the island of Corfu and the castle of Sopot and Butrint, and the major cities of Albanian coast, Durres, Spinarica, Berat and Vlora.