Hereditary peers are those whose right to sit in the Lords is due to their title being inherited from their fathers (or, much less frequently, their mothers). Currently, there are 814 hereditary peers although only 92 can sit in the Lords at any one time.
What is peer example?
The definition of a peer is an equal in age, skill or another category. An example of a peer is someone who graduated in the same year as a fellow student.