Lawrence, Sir Thomas (1769-1830) (after). English. Medium: lithograph. Date: 19th Century. Emily Mary Lamb (1787-1867); in 1805 married Peter Cowper (1778-1837), fifth Earl Cowper; after his death, married Henry Temple (1784-1865), third Viscount Palmerston in 1839; leader of fashionable London society; Lady Patroness of the society balls at Almack's club; acted as hostess for her widowed brother, William Lamb (1779-1848), second Viscount Melbourne as Home Secretary in 1830 and after he became Prime Minister in 1834; celebrated political hostess for her second husband, Lord Palmerston; Provenance: Private Collection.