 He successfully faced a plot against him in the city.However, after treason of his nephew Nicolò da Carrara who had sided with the Scaliger of Verona, Marsilio was forced to relinquish Padua to Cangrande della Scala in 1328.He retained the title of vicar for the city, and managed to marry Jacopo's daughter Taddea to Mastino II della Scala.