France, region in the west bounded by Anjou and Touraine to the north, Berry and Limousin to the east, Angoumois to the south, Aunis, La Rochelle and the Atlantic to the west, and Saintonge to the south-west; ceded to the English crown in 1360 under the Treaty of Brétigny; reconquered by Du Guesclin and granted as an apanage to the duke of Berry in 1372.
See also barons of Poitou
, Lower Poitou
, seneschals of Poitou
Georges Duby, Atlas historique Duby (Paris: Larousse, 2007), pp. 128-9; Jonathan Sumption, The Hundred Years War, II. Trial by Fire (London: Faber and Faber, 1999), p. 586; idem, The Hundred Years War, III. Divided Houses (London: Faber and Faber, 2009), pp. 30, 115-70, 147 and 685; Olivier Guyotjeannin, Atlas historique de France, IXe-XVe siècle (Paris: Editions Autrement, 2005), p. 67; Richard Barber, Edward, Prince of Wales and Aquitaine: A Biography of the Black Prince (Woodbridge: The Boydell Press, 1978), p. 176.
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