"1937" . "His mother" . "Mary Charteris (n\u00E9e Wyndham), Lady Elcho" . "Mary Constance Wyndham" . . . . . "1937-04-30" . "Mary Constance Charteris, Lady Elcho" . . . . . . "Lady Elcho" . "Mary Constance Wyndham" . . . . "1862" . . . . . . . . . . . . . . "Mary" . . . . . . . . . "Mary Constance Wyndham" . . . . . . . . . "Mary Constance Charteris, Countess of Wemyss and March" . "1862-08-03" . . . . . . .