In 1257 the Ghibelline Landi of Piacenza acquired it, remaining lord of Bardi for the following four centuries.
The Ghibelline commander Farinata degli Uberti is also consigned to Dante's hell, not for his conduct in the battle, but for his alleged heretical adherence to the philosophy of Epicurus.
He returned from exile in 1266 and married his son Guido to the daughter of Farinata degli Uberti, a prominent Ghibelline.
After studies in Bologna, where his father lived in exile after a Ghibelline coup in Buggiano, the family returned to Buggiano, which had become more securely part of the Republic of Florence.
A guelph exponent, in 1278 he signed an alliance with Padua, Cremona, Brescia, Parma, Modena and Ferrara against the Ghibelline Verona.
Serving under the Ghibelline chief, Uguccione della Faggiuola, he was elected lord (as lifelong consul) of Lucca on June 12, 1316, displacing the Quartigiani family, and was appointed Duke of Lucca, Pistoia, Volterra and Luni by emperor Frederick of Austria .
In July 1258, Manfredi supported Ottaviano's attempted Ghibelline coup in Florence.