Also i think Geti and Daci many times refer to the same people in writings... It's your opinion! " Ṣalāḥ ad-Dīn Yūsuf ibn Ayyūb ( Kurdish : سه*لاحه*دین ئه*یوبی, Selah'edînê Eyubî, Arabic : صلاح الدين يوسف بن أيوب‎) (c. 1138 – March 4, 1193), better known in the Western world as