sentences:  Its existence is mentioned as early as 1061.Founded by the family Buzzaccherini-Sismondi and originally dedicated to Saint Martin, it had once a hospital annexed to it.The Romanesque façade, dating to the early 12th-century shows typical features of the Pisane medieval architecture, such as the blind arcades, the lozenges and the use of bichrome stones (present also in the city's cathedral).