Complex sentence: Initially the Mehri tribe were given the region of Jabal Yashkar by the Muslim leadership, and this region was located east of the town of Al-Askar which at that time was the capital of Egypt.
Split into simpler sentences: Initially the Mehri tribe was given the region of Jabal Yashkar by the Muslim leadership. This region was located east of the town of Al-Askar which at that time was the capital of Egypt.