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'''Abu Sufiyan ibn Harb''' was the leader of the
Banu Abd Shams clan of the
Quraish tribe, and was the chieftain of the entire Quraish tribe, making him one of, if not the most powerful men in
Mecca during the lifetime of
Muhammad. Abu Sufiyan's grand-father was Umayya for whom the Umayyad dynasty is named, and his great-grand father was Abd Shams. His great-grandfather's brother was
Hashim the great-grandfather of Muhammad. One of Abu Sufiyan's sons was
Muawiyah I who established the
Umayyad dynasty of
caliphs
Abu Sufiyan's position of power made him an enemy of Muhammad, who he viewed as a threat, and who he tried to muzzle and even kill through various methods. The Quraish even began persecuting people who accepted Islam. Even Abu Sufiyans own daughter was not spared from punishment when she accepted Islam. She was thus one of the first Muslims sent to
Abyssinia for refuge. The enmity between the Quraish and early Muslims reached such a high pitch that many battles were fought between the two parties. Eventually the two parties would make peace, the
Treaty of Hudaybiyya which would eventually be broken. It was broken when
Banu Bakr, allies of the Quraish attacked
Banu Khuza'ah, allies of the Muslims. This led to the conquest of Mecca by the Muslim armies, who took the city peacefully and spared those within. Upon this defeat, Abu Sufiyan voluntarily accepted Islam.
