British Royalty. Engraving. pic: 1831. This 1831 image shows King William IV, (who reigned 1830-1837) and Queen Adelaide. [Getty Images]

British Royalty, Engraving, pic: 1831, This 1831 image shows King William IV, (who reigned 1830-1837) and Queen Adelaide (Photo by Bob Thomas/Popperfoto via Getty Images/Getty Images) — see more

British Royalty, Engraving, pic: 1831, This 1831 image shows King William IV, (who reigned 1830-1837) and Queen Adelaide (Photo by Bob Thomas/Popperfoto via Getty Images/Getty Images)

Popperfoto Bob Thomas/Popperfoto