Abdallah ibn Abi Quhafah (Arabic: عبد الله بن أبي قحافة; c. 573 CE – 23 August 634 CE), popularly known as Abu Bakr (Arabic: أبو بكر),was a companion and—through his daughter Aisha—a father-in-law of the Islamic prophet Muhammad.
Abu Bakr was born in Mecca in 573 CE to Uthman Abu Quhafa and Salma Umm al-Khair.He is commonly regarded as the fourth person to have accepted Islam, after Khadija bint Khuwaylid,
Ali ibn Abi Talib, and Zayd ibn Harith.Abu Bakr was present at a number of battles of Islam, such as the Battle of Badr and the Battle of Uhud; his role in the early battles of Islam has been the subject of extensive analysis by historians.
Abu Bakr was present at the Farewell Pilgrimage, as well as the event of Ghadir Khumm,in 632 CE. However, shortly after Muhammad died, Abu Bakr and some others left the still-unburied body of Muhammad and gathered at a place known as Saqifa.
