At this point, Alexios I introduced new commanders into the campaign. Konstantinos Gabras was stationed at Petroula, to find out how the Normans had penetrated the valleys to carry out the recent massacre, and to prevent a recurrence. Gabras was disappointed at being given this minor mission. Marianos Maurokatakalon, related to Nikephoros Bryennios, was given a strong group of troops augmented by personal retainers of the imperial family and sent on a similar mission to that of Gabras, about which he too had reservations. But before Maurokatakalon had time to begin, he was transferred to a command at sea