of the promise given, or the injury he committed in breaking it, or of the evils which his breach of faith might bring upon himself, said, “Since you have reserved her for me, I should be very ungrateful indeed to refuse her, being yet at liberty to choose;” and without any delay married her.  As soon as the fact became known, the Amidei and the Uberti, whose families were allied, were filled with rage, and having assembled with many others, connections of the parties, they concluded that the injury could not be tolerated without disgrace, and that the only vengeance proportionate to the enormity of the offence would be to put Buondelmonti to death.  And although some took into consideration the evils that might ensue upon it, Mosca Lamberti said, that those who talk of many things effect nothing, using that trite and common adage, Cosa fatta capo ha.  Thereupon, they appointed to the execution of the murder Mosca himself, Stiatti Uberti, Lambertuccio Amidei, and Oderigo Fifanti, who, on the morning of Easter day, concealed themselves in a house of the Amidei, situate between the old bridge and St. Stephen’s, and as Buondelmonti was passing upon a white horse, thinking it as easy a matter to forget an injury as reject an alliance, he was attacked by them at the foot of the bridge, and slain close by a statue of Mars.  This murder divided the whole city; one party espousing the cause of the Buondelmonti, the other that of the Uberti; and as these families possessed men and means of defense, they contended with each other for many years, without one being able to destroy the other.

Florence continued in these troubles till the time of Frederick II., who, being king of Naples, endeavored to strengthen himself against the church; and, to give greater stability to his power in Tuscany, favored the Uberti and their followers, who, with his assistance, expelled the Buondelmonti; thus our city, as all the rest of Italy had long time been, became divided into Guelphs and Ghibellines; and as it will not be superfluous, I shall record the names of the families which took part with each faction.  Those who adopted the cause of the Guelphs were the Buondelmonti, Nerli, Rossi, Frescobaldi, Mozzi, Bardi, Pulci, Gherardini, Foraboschi, Bagnesi, Guidalotti, Sacchetti, Manieri, Lucardesi, Chiaramontesi, Compiobbesi, Cavalcanti, Giandonati, Gianfigliazzi, Scali, Gualterotti, Importuni, Bostichi, Tornaquinci, Vecchietti, Tosinghi, Arrigucci, Agli, Sizi, Adimari, Visdomini, Donati, Passi, della Bella, Ardinghi, Tedaldi, Cerchi.  Of the Ghibelline faction were the Uberti, Manelli, Ubriachi, Fifanti, Amidei, Infangati, Malespini, Scolari, Guidi, Galli, Cappiardi, Lamberti, Soldanieri, Cipriani, Toschi, Amieri, Palermini, Migliorelli, Pigli, Barucci, Cattani, Agolanti, Brunelleschi, Caponsacchi, Elisei, Abati, Tidaldini, Giuochi, and Galigai.  Besides the noble families on each side above enumerated, each party was joined by many of the higher ranks of the