Thomas Howard, 3rd Duke of Norfolk wed Norfolk's other niece, Catherine Howard, as his fifth wife. As a result of this marriage, for a time, Norfolk enjoyed political prominence, royal favour, and material rewards. However, when Queen Catherine's premarital sexual indiscretions and her alleged adultery with Sir Thomas Culpeper were revealed to King Henry VIII by Archbishop Cranmer, the King's wrath turned on the Howard family, who were accused of concealing her misconduct. Queen Catherine Howard was condemned by a bill of attainder and was later executed on 13 February 1542. Several other members of the Howard family were sent to the Tower, including Norfolk's stepmother,
Catherine Howard 1537. Margaret Douglas died in March 1578, age 63. Her grandson James Stewart became king of both Scotland and England. Other exist, mostly showing her decades after these portraits were painted. The portrait shown on this page, attributed to Hans Holbein, dated circa 1535–1540, is exhibited at the Toledo Museum of Art as "Portrait of a Lady, Probably a Member of the Cromwell Family" (1926.57). Another version of the portrait, now located at Hever Castle, dating from the 16th century, is exhibited as Queen Catherine Howard. The National Portrait Gallery exhibits a similar painting, "Unknown Woman, Formerly Known as Catherine