Margaret of Villehardouin [SEP] father
Margaret of Villehardouin
Margaret of Villehardouin (Greek: Μαργαρίτα Βιλλεαρδουίνου; 1266 – February/March 1315) was the daughter of William II of Villehardouin, Prince of Achaea, and his third wife Anna Komnene Doukaina. 
In ca. 1276, her father granted her two thirds (16 knights' fiefs) of the Barony of Akova. After William II's death in 1278, as he had no sons, per the Treaty of Viterbo, the princely title passed to the King of Sicily, Charles of Anjou, the
of Charles, William and 400 Achaean knights fought against Conradin at the Battle of Tagliacozzo in 1268.
William and Anna had two daughters, Isabella and Margaret; Isabella, the elder daughter, married Charles's son Philip of Sicily, who, however, predeceased his father. Charles personally succeeded William in 1278, ending the Villehardouin dynasty and setting up Angevin rule, with the principality governed essentially as a province of the Kingdom of Naples. With the decreasing power and influence of Achaea, the Duchy of Athens became the most