Agnes Bethune 
- Marriage: Sir Alexander Gordon 3rd of Gight 
G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume IV, page 511. Hereinafter cited as The Complete Peerage.
Agnes married Sir Alexander Gordon 3rd of Gight  [MRIN: 551615266]. (Sir Alexander Gordon 3rd of Gight  died in 1580.)