The leader of Zayd Shi'ism.
Useful information: Several times the descendants of the Prophet (who are called in Persian sadat-i 'alawi) rebelled against the injustice of the government of the Umayyads, but each time they were defeated and usually lost their lives. The severe and unscrupulous government of the time did not overlook any means of crushing them. The body of Zayd, the leader of Zayd Shi'ism, was dug out of the grave and hanged; then after remaining on the gallows for three years it was brought down and burned, its ashes being thrown to the wind. The Shi'ites believe that the fourth and fifth Imams were poisoned by the Umayyads as the second and third Imams had been killed by them before.