Chthonioi Alexandrian Wicca is a Boston-area family of Alexandrian Wicca-derived covens directly downline from Coven Chthonioi. Coven Chthonioi grew out of the Alexandrian practice of its founders in the 1970s, has an unbroken lineage back to Alex Sanders and Maxine Sanders, and has been in continuous operation since 1974. This coven is the originator of the cycle of rituals that has become known as the Book of the Provider. Other differences between Alexandrian Wicca and Chthonioi Alexandrian Wicca include the worship of the Gods and Goddesses of Greece (Greco-Roman Pantheon and Isian worship) as opposed to the traditional Alexandrian Wicca worship of the Gods and Goddesses of Britain, and changes in rituals to suit this change in mythology.