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Person
Hadith narrator

ʿUbayd Allāh ibn ʿUmar

عُبَيْدِ اللَّهِ بْنُ عُمَرَ بْنُ الْخَطَّاب
639 CE – 657 CE (18 AH – 36 AH)(aged ~18) Born in Madinah Died in Madinah Quraysh

ʿUbayd Allāh ibn ʿUmar was a son of Caliph ʿUmar ibn al-Khaṭṭāb and a prominent Tabi‘i known for his role in early Islamic conflicts and his participation in the Battle of Siffin.

ʿUbayd Allāh ibn ʿUmar was a member of the Quraysh tribe, specifically the Banu Adi clan, living during the early Islamic era. He was the son of Caliph ʿUmar ibn al-Khaṭṭāb and a woman from the Khuza'a tribe. Following the assassination of his father in 644 CE, he killed Hormuzan, a former Persian officer and adviser to ʿUmar, which led to controversy and opposition from Ali. Pardoned by Caliph Uthman, he later sought refuge with Mu'awiya ibn Abi Sufyan after Ali refused to uphold the pardon. Ubayd Allāh fought as a commander in Mu'awiya's elite battalion during the Battle of Siffin in 657 CE, where he was killed. His death was considered a significant blow to Mu'awiya's prestige due to his lineage.

Significance

He is significant as a son of Caliph ʿUmar and a participant in the First Fitna, notably at the Battle of Siffin.

Reputation in tradition

Viewed as a pious and reliable transmitter of hadith in Sunni tradition, though his killing of Hormuzan was controversial and opposed by Ali.
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Father

Umar ibn al-Khattab (عمر بن الخطاب)

Mother

Mulayka bint Jarwal or Umm Kulthum bint Jarwal (مليكة بنت جَرْوَل or أم كلثوم بنت جَرْوَل)
Classical grade
thiqa
Generation
Tābiʿī (Successor)
Narrations by collection
  • sahih bukhari: 0
Why they matter in hadith

He is important as a trustworthy transmitter from the generation following the companions, linking many hadiths to the Sahaba.

Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.