What day did the son of Lady Margaret Beufort seize the English crown?
Henry VII of England Henry VII (Welsh: "Harri Tudur" ; 28 January 1457 – 21 April 1509) was King of England from seizing the crown on 22 August 1485 until his death on 21 April 1509, and the first monarch of the House of Tudor. He ruled the Principality of Wales until 29 November 1489 and was Lord of Ireland.
Frances Grey, Duchess of Suffolk Frances Grey, Duchess of Suffolk (née Brandon; 16 July 1517 – 20 November 1559) was an English noblewoman, the second child and eldest daughter of King Henry VIII's younger sister, Princess Mary, and Charles Brandon, 1st Duke of Suffolk. She was the mother of Lady Jane Grey, Lady Catherine Grey, and Lady Mary Grey.