In 1145, Baldwin excommunicated Comita of Arborea. The Pisan prelate, travelling the island as a papal legate, had excommunicated the judge for oppressing the people and warring against Pisa, his rightful sovereign. Bernard of Clairvaux even weighed into island politics and sent a letter to Pope Eugene III to justify Baldwin's actions and commend Gonario as quia bonus princeps dicitur.
In 1145, Baldwin excommunicated Comita of Arborea. The Pisan prelate, on his papal mission through the island, had excommunicated the judge for mistreating the populace and warring against Pisa, its lawful ruler. Bernard of Clairvaux also intervened in the island's affairs and wrote a letter to Pope Eugene III to support Baldwin's decisions and endorse Gonario as someone good.