Olivier de Clisson, French soldier (b. 1326)
Olivier V de Clisson (23 April 1336 – 23 April 1407), nicknamed "The Butcher", was a Breton soldier, the son of Olivier IV de Clisson. His father had been put to death by the French in 1343 on the suspicion of having willingly given up the city of Vannes to the English.