The sons of noble families were educated and trained as warriors. Were pages and squires after other gentlemen first.
This group was first the king. Below the king were the most important nobles, some dukes, counts, marquises, who were vassals of the monarch. Below these was a lower-ranking nobility, which could be composed of direct vassals of the king or vassals of the nobles. Finally at the bottom of this group of warriors or nobles, the nobles and knights were. These had this consideration have sufficient financial capacity to pay themselves needed to go to war team: horse and weapons.
They all had a duty to go to war as long as me asking his master. The primary obligation of a vassal in the feudal system was precisely the military service to the Lord. Your Rights as a group or social class were defined for the privilege of not paying taxes. Women, even if they were of noble family, were subject to men, either the father or husband. They could inherit, and in the absence of men, to be holders of fiefs, but usually their marriage was acting in concert with nobles and their lands passed into the property of the husband's family.