sentences:  The best-known Khoikhoi groups included the Griqua, who had originally lived on the western coast between St Helena Bay and the Cederberg Range.In the late 18th century, they managed to acquire guns and horses and began trekking northeast.En route other groups of Khoisan, Coloureds, and even white adventurers joined them, and they rapidly gained a reputation as a formidable military force.