After
William of Orange 's flight to Dillenburg, the
council of troubles seized his assets.
William of Orange asked the Holy Roman Emperor for help and borrowed money from protestant German rulers to hire mercenaries.
In 1568 he led two attacks which failed. He tried aggain in 1572 and failed, but then got lucky by giving letters of marque and reprisal to Sea Beggars who captured Brielle on April 1st.
After this the provinces of Zeeland and Holland sided with William of Orange.