After the town of La Coruña had declared for King Fernando, as we have described, the king ordered that ships should be loaded up in Lisbon with wheat, barley and wine and that all these things be delivered to the said town so that it might be duly equipped with food supplies, as well as to surrounding villages where there was also a shortage of provisions. While one of the naos and a barge were unloading their cargo alongside the town, enemy ships arrived, capturing the nao, the barge and a good 140 moios of wheat and barley that were still on board, as well as eleven casks of wine. Having seized everything, they then set fire to the ships.

The king ordered that the walls of Tuy, of Bayona de Miñor and of other places be strengthened, as the act of one intending to possess them for a long time. The Portuguese galleys that plied along the coast captured a number of unladen ships and one smaller boat in the Pontevedra estuary, only to find ten silver marks, fifty dozen goatskins and other items of little value.

Count Fernando de Castro led an attack on Monterrey, accompanied by ninety of his squires, while Vasco Fernandes Coutinho took sixty, Juan Pérez de Novoa 100, and Men Rodríguez de Sanabria eighty. Also present were Fernão Rodrigues de Sousa and other noblemen, each of them accompanied by his own troops. Present too were a number of vassals of Prince João, namely Vasco Martins Portocarreiro, Gil Fernandes de Carvalho, Martim Ferreira, Fernão Rodrigues do Vale and up to 100 other valiant squires. Some of them accompanied the count in the attack on Monterrey, while others remained behind in the border areas, as they were commanded to do. Those who were fully armed received 30 soldos per day, those who were partly armed received twenty and the rest were paid fifteen. In order to make these payments, the official responsible made his way round all the places where the detachments were to be found.

Then the count pitched his camp before Monterrey, attacking with siege engines and siege towers, and, though it was stoutly defended by those within, it was finally captured and gave its support to Portugal.