 After a siege, Ypres fell on 7 April 1584, followed by Bruges and the Brugse Vrije on 20 May 1584 by a treaty negotiated with Parma.Hembyze and Pieter Datheen were forced into commencing secret negotiations with Parma on 5 March, but they were exposed.Hembyze was arrested on 23 March, and beheaded on 4 August on Saint Pharaildis Square, while Datheen was imprisoned.