Fiefs were earned by the peasants when they worked on the lord's manor. Knights were also given fiefs in return for their military work. The peasants also had to pay a church tax called a tithe, or in other words, the canon law.
A fief.
The Vassels
his oldest son
his oldest son
An Afterlehen is a fief which a liege lord received then enfoeffed wholly or partially to a vassal or vassals.
fief or feoff
A fief.
no it can not fore a fief is the way that a vassel makes money
Surviving fief
A vassal was a person, and a fief was land. A vassal swore allegiance and support to a king, and the king gave the vassal fief to live on.
Fief is not a word in English. Perhaps you mean "fife"?
Vassals agree to fight for the lord, and after an agreement is made the vassal is given a fief in the agreement.