Question: Who is the paternal grandmother of Joan Of Valois, Countess Of Hainaut?
Sentence (from "Margaret, Countess of Anjou"): Margaret, Countess of Anjou( 1272 – 31 December 1299) was Countess of Anjou and Maine in her own right and Countess of Valois, Alençon, Chartres and Perche by marriage.
Relevant evidence: No