Four Watcher Families

The Four Watcher Families (四夜伽宗家, Shi Yotogi Sōke) are four well known distinguished western families that have been purifying and exorcising evil spirits since ancient times.

Summary
The Four Watcher Families are powerful families of magicians and mystics linked to the European Gods and have served them for generations, opposite of the Five Great Families who have served the Shinto Gods for generations. According to Andreas and Deimos, since ancient times, members of the Four Watcher Families are born blessed by the European and Celtic Gods with the power to manipulate one of four elements from the Five Classical Elements.

However, those who haven't been blessed with those spiritual powers from birth as shown by Deimos, a former member of the Utsusemi Agency was scorned as outcasts and soon exiled from the family. Certain members such as Bella Bauer and Ingrid Hoffman who violate their religious laws are either executed or even banished as the former had given birth to the daughter of a fallen angel-succubus, while the latter for her practices of Shinto Magic and Australian Dreaming Stories which are from different religions.

In addition to the power of the Four Elements and Western Magic of European and Celtic religions, the four families have command over the Four Demon Beasts (四鬼獣, Yonkijū) with the strongest members of their respective houses inheriting them and new names.

The Four Watcher Families and the sacred beasts linked to the respective clans are: