The Haags Historisch Museum (Hague History Museum) has Johan’s tongue and Cornelius’s finger on display (here: https://www.haagshistorischmuseum.nl/collectie/tong-en-vinger-gebroeders-de-witt#) and there’s a statue of Johan de Witt on roughly the spot they were dismembered. Which is now a square full of cafes and…