Joust casualties

In the film A Knight's Tale, Joscelin asks Adhemar if "men are killed in the joust". He replies that accidents do happen. Fair enough! On 22 February 1216 Geoffrey of Mandeville died of a wound he had received "when, as is the custom of the Francs, horsemen attacked each other in turns with lances or poles while riding": dum, more Francorum, eques cum h…