After the retreat of the rebels , he seized Greystoke Castle .
After the retreat of the rebels , he fortified his own Naworth Castle , where he gathered 3,000 Cumbrian troops and tried to keep up the appearance of good relations with the Queen .
After the retreat of the rebels , he seized Greystoke Castle and fortified his own Naworth Castle , where he gathered 3,000 Cumbrian troops and tried to keep up the appearance of good relations with the Queen .