Certainty: 3 Argyros son of Melus captured chief conteratus Musandus, besieging & entering Bari with him & Ioannes of Ostouni
Argyros son of Melus fought the conterati outside Bari and wounded Musandus their leader. Later he besieged and entered the city, imprisoning Musandus and Ioannes of Ostouni. The conterati were scattered