Isya Joseph, Devil Worship: The Sacred Books and Traditions of the Yezidiz
“ Not only Yezidi, Persian, Moslem, and Christian elements are to be found in modern Yezidism, but there are many remains of the old pagan religions which find expression in the devil-worshippers of to-day. Such is the notion of the sacredness of the number seven, an idea which belongs to the common stock of the ancient inhabitants of Mesopotamia. The Yezidis have seven sanjaks, each has seven burners; their cosmogony shows that God created seven angels or gods ”
