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Theobald I (913–975), called the Trickster (''le Tricheur'' meaning cheater), was the first count of Blois, Chartres, and Châteaudun as well as count of Tours. ==Life== Theobald I was the son of Theobald le Vieux of Blois,〔Theobald was also called Theobald 'the Elder' who in 878 replaced Warnegald as viscount in Maine, quite probably on the basis of his marriage to a Rorgonid cousin Richildis. See: Pierre Riché, The Carolingians (1993), p. 237.〕〔K.S.B. Keats-Rohan, 'Two Studies in North French Prosopography', ''Journal of Medieval History'', Vol. 20 (1994), p. 10〕 who from 908 on was viscomte of Tours.〔''The Gesta Normannorum Ducum of William of Jumièges, Orderic Vitalis, and Robert of Torigni'', Ed. & Trans. Elisabeth M.V. Van Houts (Clarendon Press, Oxford, 1992), pp. 56-7 n. 1〕 Theobald le Vieux's wife, the mother of Theobald I, was Richildis, a great-granddaughter of Rorgon I, Count of Maine.〔 Theobald I was initially a vassal of Hugh the Great, Duke of France.〔''The Annals of Flodoard of Reims; 919-966'', Ed. & Trans. Steven Fanning & Bernard S. Bachrach (University of Toronto Press, 2011), pp. 41-2〕 Around 945, Louis IV was captured by Northmen and given over to Hugh the Great, who placed the king in Theobald's custody.〔 After about a year in his vassal's custody king Louis negotiated his freedom by offering Hugh the city of Laon which Hugh then gave to Theobald.〔''The Annals of Flodoard of Reims; 919-966'', Ed. & Trans. Steven Fanning & Bernard S. Bachrach (University of Toronto Press, 2011), p. 44〕 Theobald was the count of Tours from 942, was also count of Blois and in 960 count of Châteaudun and Chartres.〔Pierre Riché, ''The Carolingians; A Family who Forged Europe'',Trans. Michael Idomir Allen (University of Pennsylvania Press, Philadelphia, 1993), p. 264〕 Theobald's sister had married Alan II of Nantes, the Duke of Brittany, giving Theobald influence all the way to Rennes.〔Bernard S. Bachrach, ''Fulk Nerra the Neo-Roman Consul, 987-1040'' (University of California Press, 1993), p. 7〕 However the death of Alan II left a void in Brittany and left it vulnerable to encroachment by either the Normans or the Angevins.〔Bernard S. Bachrach, ''Fulk Nerra the Neo-Roman Consul, 987-1040'' (University of California Press, 1993), p. 8〕 Theobald made an alliance with Fulk II of Anjou which gave him control of Saumur a strategic citadel located between the Loire and Thouet rivers guarding the Angevin march.〔 This included control of the monastery of Saint-Florent inside the walls of Saumur.〔 In turn the recently widowed Fulk married Theobald's sister, the widow of Alan II of Nantes.〔 In 960, he began opposing Richard I of Normandy and entered into a long war with the Normans. In 961, he attacked Évreux. The Normans responded by attacking Dunois. In 962, he launched an assault on Rouen which failed. The Normans burned Chartres in response. He took control of the fortresses of Saint-Aignan in the Loir-et-Cher, Vierzon, and Anguillon in Berry. During the minority of Hugh Capet, he reinforced Chartres and Châteaudun. He founded the Château de Chinon. By his death, he had built a vast power on the Loire, dominating central France. About 943-44,〔Detlev Schwennicke, ''Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten'', Neue Folge, Band II (Marburg, Germany, J. A. Stargardt, 1984), Tafel 46〕 he married Luitgarde of Vermandois, widow of William I of Normandy.〔''The Normans in Europe'', Ed. & Trans. Elisabeth van Houts (Manchester University Press, UK, 2000), p. 183〕 She was the daughter of Herbert II, Count of Vermandois and Hildebrand of France, daughter of king Robert I of France.〔Detlev Schwennicke, ''Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten'', Neue Folge, Band III Teilband 1 (Marburg, Germany, J. A. Stargardt, 1984), Tafel 49〕 Her half-brother was Hugh the Great Duke of France.〔Detlev Schwennicke, ''Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten'', Neue Folge, Band II (Marburg, Germany, J. A. Stargardt, 1984), Tafel 10〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Theobald I, Count of Blois」の詳細全文を読む スポンサード リンク
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