Abu Ayyub al-Ansari
Abu Ayyub al-Ansari (, , died c. 674) — born Khalid bin Zayd bin Kulayb bin Thaalba in Yathrib — hailed from the tribe of Banu Najjar, was a close companion (Arabic: الصحابه, "sahaba") and the standard-bearer of the Islamic prophet Muhammad. Abu Ayyub was one of the Ansar (Arabic: الأنصار, meaning aiders, helpers or patrons) of the early Islamic history, those who supported Muhammad after the hijra (migration) to Medina in 622. The patronym "Abu Ayyub", means father (abu) of Ayyub. Abu Ayyub died of illness during the First Arab Siege of Constantinople.