Hohoh!

If they have one of their servants watch over the count then they’ll be justified by all means when they catch Mielle poisoning or assaulting him while he’s bedridden. Though they shouldn’t rely on him wholeheartedly when he awakens if they protect him well, he might betray and speak on Mielle’s behalf worried about what’ll happen to his precious psychotic daughter. There are too many variables the best would be what they’ve chosen already that they weren’t present during the incident with genuine real time evidence for their reasoning.