Question: Who is Ali Ibn Husayn Zayn Al-Abidin's paternal grandmother?
Sentence (from "Ali ibn Husayn Zayn al-Abidin"): ("Adornment of the Worshippers"), was the fourth Shia Imam, after his father Husayn ibn Ali, his uncle Hasan ibn Ali, and his grandfather Ali ibn Abi Talib.
Relevant evidence: Yes