 Two years later, in 1125, he appears in Portugal confirming a donation made by Countess Theresa, as lord or governor of Viseu while his brother appears as the governor of Coimbra.After the death of Theresa, Countess of Portugal, on 11 November 1130, he participated in the uprising from his castle in Seia, although his brother-in-law, King Afonso Henriques, forced him to desist and Bermudo returned to Galicia, rarely crossing the Miño River thereafter.On 9 October 1138, he rebuilt the Monastery of Genrozo, later known as Nuestra Señora de las Dueñas, and finally as Las Cascas.