Pope Urban IV
During their tenure, the Torriani family, aligned with French Charles of Anjou, started a strong rivality with Visconti family, loyal to the German Hohenstaufen. In 1262, Pope Urban IV appointed Ottone Visconti as Archbishop of Milan, to Martino della Torre's disappointment. In 1273, a civil war started between the two families, ended with Torriani's defeat in the Battle of Desio of 1277.