 Yiqu (義渠), also known as "the Rong of Yiqu" (義渠之戎), was a semi-pastoral, semi-agricultural people residing in the region from north of Jing River to western Hetao.They were historically an offshoot of the nomadic Qiang people living on the grasslands around Long Mountains during the Shang Dynasty, and were frequently at war with the surrounding nomadic tribes like Guifang (鬼方) and Xunyu (獯鬻), as well as the agricultural Huaxia settlements like Bin (豳, the precursor to Zhou).During the times of King Geng Ding in late Shang Dynasty (around 12th century BC), faced with a large Northern Di invasion, the aged Duke of Bin Gugong Danfu led his clan south and relocated to Qishan, and the Bin exodus resulted in the area being occupied by Di nomads hostile and stronger than Yiqu, who temporarily submitting to Xianyun (獫狁).