Susan Buchan, Baroness Tweedsmuir Canadian viceregal consort and writer (1882–1977) (1882–1977) Parents Caroline Grosvenor Norman Grosvenor Children John Buchan, 2nd Baron Tweedsmuir Alice Buchan Alastair Francis Buchan William Buchan, 3rd Baron Tweedsmuir Siblings Margaret Sophie Katherine Grosvenor Partners John Buchan
