Lady Mary Stuart (b. c1713, d. 30 Dec. 1773)Menzies, David Prentice, The “Red and White” Book of Menzies: The History of Clan Menzies and Its Chiefs (Glasgow: Banks, 1894), p. 401. Open Library. Internet Archive.Alexander Hastie Millar, The Historical Castles and Mansions of Scotland: Perthshire and Forfar (London: Gardner, 1890), p. 59. GoogleBooks.
Lady Elizabeth Stuart
Anne Stuart (b. before 1723 – 28 November 1786),ThePeerage.com identifies her death date as 28 November; Cracroft's Peerage says 26 November.ThePeerage.com. James Johnstone (later Ruthven, 5th Lord Ruthven of Freeland)