Question: Who is the maternal grandfather of Hélie De Talleyrand-Périgord (Cardinal)?
Sentence (from "Hélie de Talleyrand-Périgord (cardinal)"): Hélie de Talleyrand-Périgord (1301–17 January, 1364) was a French Cardinal, from one of the most aristocratic families in Périgord, south-west France.
Relevant evidence: No