Complex sentence: However, the battle at Chelenqo destroyed his army in fifteen minutes, and with his wives and children the Emir fled into the empty country east of Harar, leaving his uncle Ali Abu Barka to submit to Menelik and ask clemency for Harar.
Split into simpler sentences: However, the battle at Chelenqo destroyed the Emir's army in fifteen minutes and, with his wives and children, the Emir fled into the empty country east of Harar. He left his uncle Ali Abu Barka to submit to Menelik and ask clemency for Harar.