During the Roman period the settlement belonged to one of numerous contemporary Latin convents. It is believed that the city was abandoned after the Islamic invasion of Spain centuries later. After the conquest of Toledo by Alfonso VI of León and Castile, the son of King Alfonso VI, Segovia was resettled with Christians from the north of the Iberian peninsula and beyond the Pyrenees, providing it with a significant sphere of influence whose boundaries crossed the Sierra de Guadarrama and the Tagus.