[1] Thomas Lawrence was the leading portraitist of the Regency era and President of the Royal Academy.

[2] At the time of the Coronation of George IV in 1821, a portrait Maria's mother was painted by Lawrence and hung at the family's Irish residence Slane Castle.

[3] His 1823 portrait of Maria's brother Francis appeared the Summer Exhibition at Somerset House.

He includes a pet dog on the left of the picture which is less formal than the paintings of her mother and sister Elizabeth, although all three are dressed in white.

[6] It was hung in the bedroom at the St James's Palace along with Lawrence's painting of her mother and his Portrait of Princess Sophia the king's sister.