 Thus by the time of Muhammad's death, the Arabia-based clans of the Al Jadilah and Al al-Ghawth had become Muslims.In doing so, they firmly broke away from their long-time alliance with the Banu Assad and Banu Ghatafan.Following Muhammad's death in 632, several Arab tribes rebelled against his Rashidun successor, Caliph Abu Bakr, switching their allegiance to Tulayha of the Banu Asad.