Born in 1540, Katherine Grey was the younger sister of Lady Jane Grey. Through her grandmother, Mary Tudor (Henry VIII’s sister), Katherine stood next in line to the English throne under Henry VIII’s will. When Elizabeth I became queen, Katherine became something dangerous: a young, Protestant woman with a legitimate claim — and the ability to produce heirs. Elizabeth forbade her from marrying. Katherine married anyway. In 1560, she secretly wed Edward Seymour, Earl of Hertford. It was not a reb