A bishop is an ordained or consecrated member of the Christian clergy who is generally entrusted with a position of authority and oversight. Within the Roman Catholic, Eastern Orthodox, Oriental Orthodox Churches, in the Assyrian Church of the East, in the Independent Catholic Churches, and in the Anglican churches, bishops claim Apostolic succession, a direct historical lineage dating back to the original Twelve Apostles. Within these churches, bishops can ordain clergy including other bishops. Some Protestant churches including the Lutheran and Methodist churches have bishops serving similar functions as well, though not always understood to be within Apostolic succession in the same sense.