Visconti of Pisa and Sardinia Ubaldo. In 1207, Lamberto married Elena, the heiress of Barisone II of Gallura, thus securing control over the northeastern corner of Sardinia with his capital at Civita. In 1215, he and Ubaldo established their hegemony over the Giudicato of Cagliari in the south of the island as well. Through advantageous marriages, Lamberto's son, Ubaldo II, secured power in Logudoro for a time. By mid century, Pisan authority was unopposed in Sardinia, thanks to intermarriages between the Visconti family and the other great families of Pisa (Gherardeschi and Capraia) and Sardinia (Lacon and Bas-Serra). Visconti of Pisa and Sardinia The Visconti
Flag of Sardinia Flag of Sardinia The flag of Sardinia, called the flag of the Four Moors or simply the Four Moors (; in Logudorese or "Is cuattru morus" in Campidanese), is the flag of the island of Sardinia (Italy), first officially adopted by the autonomous region in 1950 with a revision in 1999, describing it as a "white field with a red cross and a bandaged Moor's head facing away from the left (the edge close to the mast) in each quarter" (Regional Law 15 April 1999, n. 10, Article 1.). It was also the historical flag and coat of arms of