Medina de Rioseco
Diego Lopez V de Haro died in winter of 1310 in the camp at Algeciras. His niece, María II Díaz de Haro, wife of the infante John of Castile, Lord of Valencia de Campos, took possession of the Lordship of Biscay. Further, the infante John returned the villas of Paredes de Nava, Cabreros, Medina de Rioseco, Castronuño and Mansilla to the king.