Person
Zayd ibn Ali
زيد بن علي
d. 740 CE Quraysh
Zayd ibn Ali was a half-brother of Muhammad al-Baqir who led a failed revolt against the Umayyads and founded the Zaydi sect.
Significance
Half-brother of Muhammad al-Baqir and founder of the Zaydi Shia sect
Reputation in tradition
mixed
Stated motivation
To revolt against Umayyad rule
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.