During January 1097 in Salisbury, William was formally accused of treason, challenged to trial by battle and was defeated by Geoffrey Baynard, former High Sheriff of Yorkshire.
Selama Januari 1097 di Salisbury, Guillaume secara resmi dituduh berkhianat, ditantang untuk diadili melalui pertempuran dan dikalahkan oleh Geoffrey Baynard, mantan High Sheriff of Yorkshire.