Question: Who is the paternal grandfather of Joan Of Valois, Countess Of Beaumont?
Sentence (from "Joan of Valois, Countess of Beaumont"): They had five known children:
Robert III of Artois had attempted to recover the title of count of Artois, which had been taken from him by his aunt Mahaut of Artois, but was condemned and exiled in 1331 for making and presenting forged documents in the process of filing against her.
Relevant evidence: No