Sayf ibn Umar al-Usayyidi al-Tamimi (Arabic: سيف بن عمر) was an 8th-century Islamic historian and compiler of reports who lived in Kufa. He wrote the...

traditionally considered as the first of the ghulāt. In accounts collected by Sayf ibn Umar, Ibn Saba' and his followers, the Saba'iyya, are said to be the ones who...

assurance by Umar to Patriarch Sophronius of Jerusalem guaranteeing the safety of the city's people and property. According to Sayf ibn Umar, later in 638...

commander. He was the founder of Kufa and served as its governor under Umar ibn al-Khattab. He played a leading role in the Muslim conquest of Persia and...

historians consider aspects of the version of al-Tabari (copied from Sayf ibn Umar, who died between 786–809) to be authentic. For instance, Moshe Gil...

actively participated in the battle. According to an account cited by Sayf ibn Umar, he observed the battle alongside unspecified Arab shaykhs (chieftains)...

historian Sayf ibn Umar mentions a son named Amr and Ibn Hazm (d. 1064), possibly deriving his information from Sayf, calls this same son Umar. The modern...

ibn Ishaq ibn Yasar al-Muttalibi (Arabic: أَبُو عَبْدُ ٱلله مُحَمَّد ٱبْن إِسْحَاق ٱبْن يَسَار ٱلْمُطَّلِبيّ, romanized: Abū ʿAbd Allāh Muḥammad ibn ʾIsḥāq...

Qinnasrin–Jazira from Homs, according to the 8th-century historian Sayf ibn Umar. However, al-Baladhuri attributes this change to Mu'awiya's successor...

al-Fida Isma'il ibn Umar ibn Kathir al-Dimashqi (Arabic: أبو الفداء إسماعيل بن عمر بن كثير الدمشقي, romanized: Abū al-Fiḍā’ Ismā‘īl ibn ‘Umar ibn Kathīr al-Dimashqī;...