Most notable as the leader of the League of Assassins , Ra 's al Ghul is the son of Sensei , the father of Talia al Ghul , Nyssa Raatko , and Dusan al Ghul , and the grandfather of Damian Wayne .
Most notable as the leader of the League of Assassins , Ra 's al Ghul 's name in Arabic translates to '' The Demon 's Head '' . 
 He is the son of Sensei , the father of Talia al Ghul , Nyssa Raatko , and Dusan al Ghul , and the grandfather of Damian Wayne .