The daughter of Thomas Anson, first viscount Anson; in 1819 she became the second wife of Archibald John Primrose, fourth earl of Rosebery, who had divorced his first wife for adultery.

REFERENCES TO Anne Margaret Primrose, countess of Rosebery [née Anson]:

Thomas Creevey to Elizabeth Ord, 16 March 1822 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

William Roscoe to his Jane Roscoe Hornblower, [1825?] in The Life of William Roscoe 2 vols (London: T. Cadell, 1833)