Person
Umar II
عمر بن عبد العزيز
Lifespan unknown
Umar II was an Umayyad caliph known for his piety and favorable treatment of Muhammad al-Baqir and the Alids.
Significance
Umayyad caliph favorably disposed to al-Baqir, returned lands to Alids
Reputation in tradition
praised
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.