Lunar Pitriois, in Theosophical literature, is a class of Dyhan Chohans who transcended the human level of being during the Moon Chain period, a planetary chain which reincarnated as the present Earth (and its six invisible companions). The Lunar Pitris are responsible for forming the bodies of the different root races of humanity. A.G.H.
Greer, John Michael. The New Encyclopedia of the Occult. St. Paul, MN, Llewellyn Worldwide. p. 283