Indeed they were right to have such fears as Mary instigated a campaign against eminent Protestants and one person to be arrested was Roland Dee, John Dee's father, who was taken prisoner in August 1553.
Sa katunayan sila ay may karapatan na kagaya ng takot bilang Maria instigated ng isang kampanya laban sa mataas Protestants at isang tao na maging kalabasa ay Roland Dee, John Dee's ama, na kinuha preso sa Agosto 1553.