Complex sentence: Khalid Ahmed Showky El-Islambouli from an average family in upper Egypt, he was graduated from the Military Academy with an excellent grade, and Joined the Bombardment Forces of the Egyptian army.
Split into simpler sentences: Khalid Ahmed Showky El-Islambouli from an average family in upper Egypt. He was graduated from the Military Academy with an excellent grade, and joined the Bombardment Forces of the Egyptian army.