 For this, he would pay England ten million guilders, £10,000 per annum for North Sea herring rights, and allow military occupation of Brill, Sluys and Flushing, as had been the case until 1616 after the 1585 Treaty of Nonsuch.The terms offered the Dutch nothing they did not already hold and resistance hardened as a result.William was well-informed on English opposition and had assurances of Imperial support from Francois-Paul de Lisola, Leopold's envoy in the Hague.