sentences:  They sought the support of Jacopo IV d'Appiano, now Prince of Piombino, a descendant of the Malaspinas who had once ruled in Corsica.His brother Gherardo, Count of Montagnano, accepted the call, proclaimed himself Count of Corsica, and, landing in the island, captured Biguglia and San Fiorenzo; whereupon Tommasino da Campo Fregoso discreetly sold his rights to the Bank of San Giorgio.The Bank, allied with the Gian Paolo da Leca, defeated Gherardo only to find the Fregoso attempting to repudiate their bargain.