Sentence:  In these clauses a lord had the duty of yielding up his "esne" if he was guilty of homicide and paying the dead man's <WSD>wergeld</WSD>. If the "esne" escaped, his lord had then to pay the value of a further man (that is, one hundred shillings), which was a "ceorl's" <WSD>wergeld</WSD> and may well have been the value of an "esne" as well. 
Meaning of the word marked with <WSD> tags:  Blood money, the monetary value assigned to a person, set according to their (id=class), used to determine the compensation paid by the perpetrator of a crime to the victim in the case of injury or to the victim's kindred in the case of homicide.