Isabella of Villehardouin [SEP] father
Isabella of Villehardouin
Isabella of Villehardouin (1260/1263 – 23 January 1312) was sovereign princess of Achaia from 1289 to 1307. She was the elder daughter of William II of Villehardouin, Prince of Achaea, and of his third wife Anna, the second daughter of Michael II Komnenos Doukas, the despot of Epiros.
Life.
On 28 May 1271 Isabella married Philip of Sicily, son of Charles I of Sicily. This marriage had been pre-determined by the Treaty of Viterbo in May 1267 between Charles, 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