 The name Montealegre appears during the reign of King Alfonso VIII as a Lordship of Tello Pérez de Meneses whose son Alfonso Téllez de Meneses "el Viejo" inherited his estates.The Lordship of Montealegre having built a castle which lies in a village by the same name in the province of Valladolid in Spain was situated on the border line of defense with the Kingdom of León.Montealegre is a Spanish surname of local origin, derived from the place where the initial bearer once lived.