The history of the principality of Achaia is directly linked with the family of the Villehardouins (1209-1278). On the picture, the coat of arms of Geoffrey de Villehardouin, who organized the principality.
Doanidou, S. I., I Fragkokratia stin poli ton Athinon (1205-1456), "Estia" Library, Athens 1981, p. 45.
© Sofia I. Doanidou