Complex sentence: In 1201, during Battle of the Thirteen sides, Genghis Khan was wounded by the arrow to the neck, then his loyal subordinate Jelme cared for the injured Genghis Khan.
Split into simpler sentences: In 1201, during Battle of the Thirteen sides, Genghis Khan was wounded by an arrow to the neck. His loyal subordinate Jelme cared for the injured Genghis Khan.