Ta’isha is one of the Baqqara tribes, these nomads originated from the Guhayna group, a clan of Bedouin

Bedouin

The Bedouin are a part of a predominantly desert-dwelling Arab ethnic group traditionally divided into tribes or clans, known in Arabic as ..-Etymology:...

 Arabs who came across the Sinai Peninsula

Sinai Peninsula

The Sinai Peninsula or Sinai is a triangular peninsula in Egypt about in area. It is situated between the Mediterranean Sea to the north, and the Red Sea to the south, and is the only part of Egyptian territory located in Asia as opposed to Africa, effectively serving as a land bridge between two...

 from Arabia. They eventually moved into the Nile region of Upper Egypt and then into Sudan in the beginning of the 16 century around 1504. They settled in the area of Southern Darfur

Darfur

Darfur is a region in western Sudan. An independent sultanate for several hundred years, it was incorporated into Sudan by Anglo-Egyptian forces in 1916. The region is divided into three federal states: West Darfur, South Darfur, and North Darfur...

 and they called the land Dar El Ta’isha. Their main city is Rehaid Al Berdi, the Ta’isha participated with the rest of western Sudan tribes in the Mahadia revolt (1882-1885) against Turko-Egyptian occupation of Sudan

Sudan

Sudan , officially the Republic of the Sudan , is a country in North Africa, sometimes considered part of the Middle East politically. It is bordered by Egypt to the north, the Red Sea to the northeast, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the...

1821-1885.

The most notable leader from the Ta'isha is Khalifa Abdulla Al Ta'ishi who ruled Sudan after the death of Mohamed Ahmed Al Mahdi in 1885 till it was recaptured by the Anglo-Egyption forces in 1899.