Darim Ibn-La'Ahad (1195 – unknown) was a member of the Levantine Brotherhood of Assassins, and the eldest son of its Mentor, Altaïr Ibn-La'Ahad, and his wife Maria Thorpe. When Darim was in his early twenties, he traveled with his parents to Mongolia to combat the rise of the Mongol Empire. Among Darim's most noteworthy accomplishments is the assassination of Genghis Khan, the Mongol leader, in August of 1227. Following Masyaf's destruction in August 1257, Darim joined the family of his brother Sef and settled down in Alexandria, Egypt.