On 10 March 1203, the pope put Comita III of Logudoro under the protection of Biagio and not of Pisa in light of the invasion of Logudoro by William I of Cagliari.
On 10 March 1203, the pope provided protection for Comita III of Logudoro against an invasion by William I of Cagliari, opting for Biagio over Pisa.