Guillaume de Marcillat, who was employed by the popes Julius II and Leo X in the Vatican in 1509, produced windows for the Cathedral of Arezzo, a Roman Catholic cathedral in the city of Arezzo in Tuscany, Italy, and the Basilica of San Francesco by 1519.
Guillaume de Marcillat, who was employed by the popes Julius II and Leo X in the Vatican in 1509, produced windows for the Cathedral of Arezzo, a Roman Catholic cathedral in the city of Arezzo in Tuscany, Italy, and the Basilica of San Francesco by 1519.