In the 1290s a new guild-based Florentine government placed a group of noble families under severe legal restraints, on the grounds that they were both the most powerful and the most violent and disruptive element in the city. In this colorful portrayal of civic life in medieval Florence, Carol Lansing explores the patrilineal structure and function of these urban families, known as "magnates." She shows how they emerged as a class defined not by specific economic interests but by a distinctive culture. During the earlier period of weaker civic institutions, these families built their...