Feudal system

King or Emperor was the highest feudal lord
Tenants were splitted in under or over tenants

over were higher noblemen (dukes,bishops,earls/counts)
over tenants promised loyalty,obedience and military support to the feudal lord

under tenants were lower noblemen (knights or barons)
under tenants provided troops in cases of war to over tenants and they got land that they gave to the peasants


peasant were the lowest in the feudal system
peasant got field from under tenants to deliver dues
dues were raw material like grain