 Calatrava was not subject to Cîteaux, but to Fitero's mother-house, the Cistercian Abbey of Morimond in Burgundy.By the end of the 13th century, it had become a major autonomous power within the Castilian state, subject only to Morimond and the Pope; with abundant resources of men and wealth, lands and castles scattered along the borders of Castile, and feudal lordship over thousands of peasants and vassals.On more than one occasion, the Order of Calatrava brought to the field a force of 1200 to 2000 knights – considerable in medieval terms.