The overwhelming majority of Somalis trace their genealogical origin to the mythical founding father, Samaale or Samaal. Even those clan-families, such as the Digil and Rahanwayn in southern Somalia, whose members in many cases do not trace their lineage directly to Samaal, readily identify themselves as Somalis, thereby accepting the primacy of Samaal as the forebear of the Somali people. By language, traditions, and way of life, the Somalis share kinship with other members of the Eastern Cushitic groups of the Horn of Africa, including the Oromo, who constitute roughly 50 percent of the population of Ethiopia.