 They specifically adhere to religious practices which are similar to those in Judaism and have a tradition of being a migrant people, with clues that point to an origin in either West Asia or North Africa.According to the oral history of the Lemba, their ancestors were Jews who came from a place called Sena several hundred years ago and settled in East Africa.Sena is an abandoned ancient town in Yemen, located in the eastern Hadramaut valley, which history indicates Jews inhabited in past centuries.