It was known that Bologna was worth 200,000 florins, Parma 60,000, Arezzo 40,000 Lucca 30,000, and so forth.

But personal qualities and nobility of blood might also produce despots of the sixth class.

Thus the Bentivogli claimed descent from a bastard of King Enzo, son of Frederick II., who was for a long time an honorable prisoner in Bologna.

The Baglioni, after a protracted struggle with the rival family of Oddi, owed their supremacy to ability and vigor in the last years of the fifteenth century.

But the neighborhood of the Papal power, and their own internal dissensions, rendered the hold of this family upon Perugia precarious.