Question: Who is Al-Adil I's paternal grandfather?
Sentence (from "Al-Adil I"): I (in full al-Malik al-Adil Sayf ad-Din Abu-Bakr Ahmed ibn Najm ad-Din Ayyub, , "Ahmed, son of Najm ad-Din Ayyub, father of Bakr, the King, the Just, Sword of the Faith"; 1145 – 31 August 1218) was an Ayyubid Sultan of Egypt and Syria of Kurdish descent.
Relevant evidence: Yes