Question: Who is the paternal grandmother of Wala Of Corbie?
Sentence (from "Wala of Corbie"): According to Paschasius Radbertus, Wala alleged on one occasion that the "army of clerics" (i.e. chaplains) resident at the Palace of Aachen (and perhaps itinerant with the emperor) served only for personal gain and did not form a legitimate ecclesiastical institution.
Relevant evidence: No