At the Battle of Ludford Bridge Trollope commanded part of the Yorkist army of Richard of York, 3rd Duke of York, but betrayed him to the Lancastrians bringing with him 'valuable intelligence' regarding York's army.
Richard retreated towards Ludlow, before making a stand at a fortified position near Ludford, Shropshire on 12 October.
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The main business of the Parliament was to pass bills of attainder for High treason against the leading Yorkist nobles, following the start of a new stage in the Wars of the Roses and the Battle of Ludford Bridge.