Then the Emperor Alexius issued from the city, with all his forces, by other gates which were at least a league from the camp; and so many began to issue forth that it seemed as if the whole world were there assembled. The emperor marshalled his troops in the plain, and they rode towards the camp; and when our Frenchmen saw them coming, they ran to arms from all sides. On that day Henry, the brother of Count Baldwin of Flanders, was mounting guard over the engines of war before the gate of Blachernae, together with Matthew of Wallincourt, and Baldwin of Beauvoir, and their followers.