New research has shown that the woman's nameless painting hundreds of years ago in the royal collection belongs to Mary Pauline, the mistress of King Henry VIII before her sister Anne becomes his second wife and beheaded.
The researchers used "dendrochronology" tests, which determine the history and origin of the wooden panels, to identify them as one of 14 beautiful women who decorated Queen Anne's shower room in Windsor Castle 300 years ago.
The picture was separated in the nineteenth century because it seemed completely different from the other, but it is now reunified with the original group.
The painting is believed to be painted by artist Remigius van Limpot, the favorite painter of King Charles I.