Mary Seymour’s life began amidst great anticipation and quickly descended into mystery and obscurity. Born at Sudeley Castle in Gloucestershire, she was the only child of Katherine Parr, Henry VIII’s last wife, and Thomas Seymour, Baron Sudeley.
Following a long and surprising pregnancy, her birth brought joy to her parents, especially to Katherine, who had been married four times without bearing a child.
Despite the initial happiness, tragedy struck soon after Mary’s birth. Katherine Parr fell ill with puerperal fever and died, leaving Mary in the care of her father, Thomas Seymour, a man known for his reckless and ambitious nature.
Thomas, who had been plotting to gain power, was soon caught in a treasonous act and executed. Mary, now an orphan, had no possessions or financial support.
Katherine Brandon, Duchess of Suffolk, was appointed as Mary’s guardian, but she faced financial difficulties in caring for the child. Mary’s inheritance, which should have provided for her, was never claimed, leading historians to speculate about her fate.
Some believe she died young, possibly before the age of two, while others suggest she lived to adulthood and married, her existence hidden to protect her from political enemies.
The lack of records about Mary’s life adds to her mystery. Despite being the daughter of a queen, she disappeared from historical records in 1550, and her fate remains unknown.
Whether she lived a short life in obscurity or escaped to a hidden existence, Mary Seymour’s story is a captivating royal mystery that intrigues historians and enthusiasts alike.