This is her brief article from thepeerage, "Hon. Frances Duncombe F, #345830, b. 12 November 1757, d. 29 July 1827
Hon. Frances Duncombe was born on 12 November 1757. She married John Bowater, son of Edward Bowater, in 1778. She died on 29 July 1827 at age 69, without issue.
She was the daughter of Anthony Duncombe, 1st and last Lord Feversham, Baron of Downton and Frances Bathurst. From 1778, her married name became Bowater. She lived at Old Dalby Hall, Leicestershire, England."