Urfeil and Marfeil
In Mandaeism, Urfeil and Marfeil are a pair of uthras in the World of Light that are always mentioned together. They are mentioned in Books 3 and 5 of the Right Ginza, as well as in Qulasta prayer 168.
In Right Ginza 5.1, Yawar Ziwa appoints Urfeil and Marfeil over the east to watch over Ur.