Willem Bloys van Treslong

Willem van Blois van Treslong, l'admirael van Zeelandt

Willem Bloys van Treslong (1529 – 17 July 1594) was a nobleman from the Southern Netherlands and military leader during the Dutch war of Independence. He was best known as one of the leaders of the Sea Beggars who captured Den Briel on 1 April 1572.