Ubayd Allah ibn Umar ibn al-Khattab was a son of second Rashidun caliph Umar, He was an Arab Muslim warrior. As a soldier, Ubayd Allah participated in several military campaigns of the Caliphate, including the early Arab conquests in Maghreb, Battle of Sufetula in 647. Ubayd Allah was latter made a commander of an elite battalion by governor of Syria Mu'awiya at the Battle of Siffin, where he was slain in 657.
- Occupation
- military leader
- Citizenship
- Rashidun Caliphate
- Died
- 657
