Even a priest got corrupted by that deceitfully stupid bitch. You'd think they'd, the priests, know about how the plant ceremony works and the moment shit gets exposed it's over. Why conspire with an obvious honey trap?
Hell, I wouldn't be surprised of the Duke dropped her like a rancid sack of potatoes after catching wind of what transpired here. Most nobility of olde wouldn't think twice about killing their own family if it meant not losing face.