Question: Who is the paternal grandmother of Hugh (Abbot Of Saint-Quentin)?
Sentence (from "Hugh (abbot of Saint-Quentin)"): Hugh is sometimes confused with Hugh the Abbot, resulting in the erroneous claim that he had a daughter, Petronilla, who married Tertullus of Anjou, the semi-legendary father of Ingelger, first count of Anjou.
Relevant evidence: No