 The nobility opposed to the Visconti family chose Orzocco de Serra as regent.Barisone was assassinated at Sorso by a peasant revolt instigated by the pro-Genoese faction of the nobility, the Doria and the Malaspina.According to Marianus' will, should Barisone die without and heir, the magnates of the realm should elect one of his sisters, either Adelasia or Benedetta.