Rūha: the Queen of Darkness.
" Rūha is the Arch-demoness, the Queen of Darkness. She is the daughter of “Qin” the Mistress of Darkness. She is the ruler of the third matarta (watch-house), and dwells in first underworld. Rūha is the mother of the King of Darkness, 'Ur, and the mother of the Seven planets, the Twelve Signs of the Zodiac and the Five planets. She is considered as a kind of "fallen wisdom figure” ressembling Sophia in other Gnostic traditions. She fights and suffers and appears in several realms at the same time. Rūha is the leader of the underworld forces and the “entity incorporation powers of darkness which the lightworld had to conquer.”
In Book VI of the Ginza Rba (the book of “Dinanukt") Rūha describes herself as “light and darkness”, “error and truth ”, “destruction and structure” etc., in clear dualist terms. "
[source: The Story of Creation in the Mandaean Holy Book the Ginza Rba - Sabah A ldihisi]