Mary Abercromby, 1st Baroness Abercromby 1st Baroness Abercromby (1701–1821) Parents Ann Campbell John Menzies Children John Abercromby George Abercromby, 2nd Baron Abercromby Mary Abercromby Catherine Abercromby Anne Abercromby Alexander Abercromby James Abercromby, 1st Baron Dunfermline Partners Ralph Abercromby