 The date of this succession is assumed to be 1131, when he first appears in a communication with the Republic of Genoa.In 1130, Constantine, Gonario II of Torres, and Comita I of Gallura had sworn fealty to the archbishop of Pisa.In 1133, Pope Innocent II raised Genoa to archiepiscopal status and divided the island of Sardinia between the two sees, giving the north to Genoa and the south to Pisa.