Robert Crichton, 3rd Lord Crichton of Sanquhar Peerage person ID=23969 Parents Marion Maxwell Robert Crichton, 2nd Lord Crichton of Sanquhar Children Margaret Crichton Robert Crichton, 4th Lord Crichton of Sanquhar John Crichton Herbert Crichton William Crichton, 5th Lord Crichton of Sanquhar Siblings unknown daughter Crichton Partners Elizabeth Murray