 On 8 September 1145, Urraca, with the consent of her father, donated it to the Monastery of Sobrado.The monastery, now in ruins with only the church of San Pelayo de Genrozo standing, was situated in the territory of Nendos, in a small village known as Las Cascas, close to the city of Betanzos.According to the "Chronicon Lusitanum", a Portuguese source, Bermudo was one of the nobles taken as a captive after the Battle of Valdevez in 1140.