Margaret Erskine Peerage person ID=213386 (1925–2006) Parents Janet Douglas Thomas Erskine, 2nd Lord Erskine Children William Keith, 2nd Earl Marischal Lady Mary Keith Siblings Elizabeth Erskine Isabel Erskine Helen Erskine Margaret Erskine Alexander Erskine, 3rd Lord Erskine Partners William Keith, 1st Earl Marischal