'''Abu-Bakr''' (573-634) was the, father-in-law and successor of [[Muhammad]]. Abu-Bakr was the first Muslim [[Caliph]]. The origins of the [[Sunni]] and [[Shia]] split arose, from this leadership succession, as the [[Shia]] felt Muhammad's successor should have been his cousin, [[Ali|Imam Ali]].[http://www.islamfortoday.com/shia.htm]
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'''Abu-Bakr''' (573-634) was the father-in-law and successor of [[Muhammad]]. Abu-Bakr was the first Muslim [[Caliph]]. The origins of the [[Sunni]] and [[Shia]] split arose from this leadership succession, as the [[Shia]] felt Muhammad's successor should have been his cousin, [[Ali|Imam Ali]].[http://www.islamfortoday.com/shia.htm]