+Shia Islam is a major branch of [Islam](/wiki/islam), distinct from [Sunni](/wiki/sunni) Islam. Its adherents believe in the spiritual and political leadership of Imams, tracing their lineage from Muhammad's son-in-law, Ali ibn Abi Talib.
+## See also
+- [Imam](/wiki/imam)
+- [Ali](/wiki/ali)
+- [Karbala](/wiki/karbala)
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