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 the arms to a banner given by Pope Benedict VIII to the Pisans in aid of the Sardinians in a conflict with the Saracens of Musetto who were trying to conquer the Italian peninsula and Sardinia. This flag however has inverted colours and no heads on it. Before the Kingdom of Sardinia was founded, the rulers of the island were known as archons (ἄρχοντες in Greek) or judges ("iudices" in Latin, "judikes" in Sardinian, "giudici" in Italian). The island was organized into one "judicatus" from the 9th century on (see List of monarchs of Sardinia). After the Muslim conquest of