'Ab Zee, sister of Jamv Japa, had come to Lhabrang to visit. She was the wife of the Ngolok prince. The Ngoloks were the most notorious of Tibetan robber folk, whose reputation was a byword with fear over the whole of northern Tibet.'
Source of Descriptive Information
Forman, H. (1936).Through forbidden Tibet: An adventure into the unknown. London: Jarrolds. (Opposite p. 214).