 He was first proclaimed vicar general by his father in 1317 and sent off to govern Athens on behalf of his younger half-brother Manfred.He arrived in Piraeus with ten galleys later that year, but Manfred had died and was succeeded by another brother, William II.In the year of his arrival, Fadrique married Marulla, the daughter of Boniface of Verona, thus allying himself with the chief lord of Euboea.