text: Muhajir bin Khalid died in the Battle of Siffin while fighting from Caliph Ali's side and Abdulreman ibn Khalid remained Governor of Emesa during the time of third Caliph Uthman ibn Affan and participated in the Battle of Siffin as one of the generals of Muawiyah I, he was also the part of Umayyad army that besieged Constantinople in 664