Short answers, pulled from the story.
Gertrude Courtenay, Marchioness of Exeter, was an English noblewoman and lady-in-waiting to Queen Catherine of Aragon who maintained a deep-seated devotion to the Catholic faith. She was the daughter of William Blount, 4th Baron Mountjoy, and Elisabeth Say, and the wife of Henry Courtenay, who was created Marquess of Exeter in 1525.
Gertrude Courtenay, Marchioness of Exeter died in 1558 and was buried in Wimborne Minster, Dorset. Her death marked the end of a life that had been defined by loyalty, sacrifice, and the enduring power of faith.
Gertrude Courtenay, Marchioness of Exeter was imprisoned in the Tower of London following the discovery of the supposed Exeter Conspiracy in 1538. She was attainted, meaning her rights and property were stripped away, and she remained in prison for the rest of Henry VIII's reign due to her association with Princess Mary and her refusal to fully submit to the King's religious reforms.
Gertrude Courtenay, Marchioness of Exeter served as a lady-in-waiting to Queen Catherine of Aragon and maintained secret correspondence with the banished Queen while the rest of the court turned their backs. She was one of a small group of high-ranking noblewomen who openly opposed the King's actions and risked her own safety to keep lines of communication open with the Imperial Ambassador Eustache Chapuys.
Gertrude Courtenay, Marchioness of Exeter was released from the Tower in 1540 when Mary I of England reversed her attainder. She was appointed as a lady-in-waiting to Queen Mary and served as a constant companion to the woman who had been her godchild's mother.