The Banu Sa'ida () was a clan of the Banu Khazraj tribe of

Medina Medina, officially al-Madinah al-Munawwarah (, ), also known as Taybah () and known in pre-Islamic times as Yathrib (), is the capital of Medina Province (Saudi Arabia), Medina Province in the Hejaz region of western Kingdom of Saudi Arabia, ...

in the era of

Muhammad Muhammad (8 June 632 CE) was an Arab religious and political leader and the founder of Islam. Muhammad in Islam, According to Islam, he was a prophet who was divinely inspired to preach and confirm the tawhid, monotheistic teachings of A ...

. The tribe's full name was the Banu Sa'ida ibn Ka'b ibn al-Khazraj. Prior to their conversion, most members of the clan worshiped idols, which were destroyed after the advent of Islam. Their Jewish allies or clients are mentioned in the Constitution of Medina. Sa'd ibn Ubadah of the Banu Sa'ida gained prominence and influence among the Ansar, who gathered to pledge allegiance to him following the death of Muhammad. This gathering, hosted at the clan's saqifah, resulted in

Abu Bakr Abd Allah ibn Abi Quhafa (23 August 634), better known by his ''Kunya (Arabic), kunya'' Abu Bakr, was a senior Sahaba, companion, the closest friend, and father-in-law of Muhammad. He served as the first caliph of the Rashidun Caliphate, ruli ...

being named the first

caliph A caliphate ( ) is an institution or public office under the leadership of an Islamic steward with Khalifa, the title of caliph (; , ), a person considered a political–religious successor to the Islamic prophet Muhammad and a leader of ...

of the

Rashidun caliphate The Rashidun Caliphate () is a title given for the reigns of first caliphs (lit. "successors") — Abu Bakr, Umar, Uthman, and Ali collectively — believed to Political aspects of Islam, represent the perfect Islam and governance who led the ...

References

Tribes of Arabia {{ethno-stub