 Complete the following phrase:  Having assumed the title of King of Jerusalem and Sicily, Conradin took possession of the Duchy of Swabia in 1262, and remained for some time in his duchy. Conradins first invitation to Italy came from the Guelphs of Florence: they asked him to take arms against Manfred, who had been crowned king of Sicily in 1258 on a false rumor of Conradins death. Louis refused this invitation on his nephews behalf. In 1266 count Charles I of Anjou, called by the new pope Clement IV, defeated and killed Manfred at 