The Sect of the Lamb
The Sect of the Lamb is a religious order spread throughout the Middle East with small groups found in eastern Europe. It is starting to appear in western Europe too now. It seems to be based on Christianity though requires blood sacrifices, especially lambs, and rumoured to have human sacrifice too, with each person meant to supply a little blood during each meeting.
Led by a single lord, the leader is always appointed by the Children of the Nazarene. They are a cover for vampires