Olivia Trevor, 17th of Auchmacoy (1894-1973) (1894–1973) Parents Norman Macleod Buchan of Auchmacoy, 18th Earl of Caithness Lilian Higford Children Diana Trevor Joan Rosemary Trevor Anne Trevor Elizabeth Trevor David William Sinclair Buchan of Auchmacoy Siblings Lady Diana Buchan Teresa Sinclair Lady Lucy Buchan Lady Augusta Buchan Partners Stephen Lloyd Trevor