{"id":6600,"date":"2026-09-04T11:45:03","date_gmt":"2026-09-04T11:45:03","guid":{"rendered":"https:\/\/stourm.news\/?p=6600"},"modified":"2026-09-04T11:46:06","modified_gmt":"2026-09-04T11:46:06","slug":"6600","status":"publish","type":"post","link":"https:\/\/stourm.news\/?p=6600","title":{"rendered":"Constance de Bretagne, Bretonne au c\u0153ur de la lutte contre les Plantagen\u00eats"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance de Bretagne na\u00eet vers 1161. Elle est la fille de Conan IV, souverain de Bretagne, et de Marguerite d\u2019\u00c9cosse, elle-m\u00eame fille du prince Henri d\u2019\u00c9cosse. H\u00e9riti\u00e8re de la maison r\u00e9gnante bretonne, Constance se trouve d\u00e8s son enfance au centre des ambitions des Plantagen\u00eats, dont l\u2019empire s\u2019\u00e9tend alors de l\u2019\u00c9cosse aux Pyr\u00e9n\u00e9es et constitue l\u2019une des principales puissances politiques d\u2019Europe occidentale.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">En 1166, sous la pression du roi d\u2019Angleterre Henri II Plantagen\u00eat, Conan IV abdique en faveur de sa fille. Constance devient ainsi souveraine de Bretagne alors qu\u2019elle n\u2019est encore qu\u2019une enfant. Henri II prend cependant le contr\u00f4le effectif du pays et organise les fian\u00e7ailles de Constance avec son fils Geoffroy Plantagen\u00eat. Le mariage, c\u00e9l\u00e9br\u00e9 en 1181, permet \u00e0 Geoffroy d\u2019exercer le pouvoir aux c\u00f4t\u00e9s de Constance. La Bretagne entre ainsi directement dans les luttes dynastiques de l\u2019immense ensemble Plantagen\u00eat.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">La mort de Geoffroy et la question de la succession<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">La situation change brutalement lorsque Geoffroy meurt \u00e0 Paris en 1186, \u00e0 seulement vingt-sept ans. Constance se retrouve veuve avec plusieurs enfants, parmi lesquels Arthur, n\u00e9 apr\u00e8s la mort de son p\u00e8re. Arthur de Bretagne devient bient\u00f4t un personnage essentiel de la politique europ\u00e9enne : par son p\u00e8re Geoffroy, il est le petit-fils d\u2019Henri II d\u2019Angleterre et peut donc revendiquer l\u2019h\u00e9ritage Plantagen\u00eat face \u00e0 son oncle Jean sans Terre.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance cherche alors \u00e0 pr\u00e9server les int\u00e9r\u00eats de son fils mais \u00e9galement son propre pouvoir en Bretagne. Ses rapports avec Richard C\u0153ur de Lion deviennent particuli\u00e8rement difficiles. Le roi d\u2019Angleterre entend maintenir la Bretagne dans l\u2019orbite Plantagen\u00eat et contr\u00f4ler Arthur, tandis que Constance cherche \u00e0 conserver une marge de man\u0153uvre. En 1196, les barons bretons reconnaissent Arthur comme h\u00e9ritier du tr\u00f4ne de Bretagne sous la tutelle de sa m\u00e8re. Richard r\u00e9agit en cherchant \u00e0 s\u2019emparer du jeune prince.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance contre Richard C\u0153ur de Lion<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">La confrontation devient ouverte. Constance fait mettre Arthur en s\u00e9curit\u00e9. Richard C\u0153ur de Lion fait alors enlever Constance en 1196 par son second mari, Ranulf de Blondeville, comte de Chester, et la maintient prisonni\u00e8re. L\u2019aristocratie bretonne r\u00e9agit vigoureusement \u00e0 sa captivit\u00e9 et la situation provoque une r\u00e9volte contre l\u2019influence Plantagen\u00eat. Constance retrouve finalement la libert\u00e9 en 1198.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Apr\u00e8s la mort de Richard C\u0153ur de Lion en 1199, la lutte pour la succession Plantagen\u00eat oppose Jean sans Terre \u00e0 Arthur de Bretagne. Pour une partie des possessions continentales des Plantagen\u00eats, Arthur peut invoquer un droit dynastique puissant : il est le fils du fr\u00e8re a\u00een\u00e9 de Jean. La Bretagne soutient naturellement son jeune souverain, tandis que Philippe Auguste utilise \u00e9galement sa candidature dans sa lutte contre le roi d\u2019Angleterre.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">La mort de Constance et le destin tragique d\u2019Arthur<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance ne verra cependant pas l\u2019issue dramatique de cette confrontation. Elle meurt \u00e0 Nantes au d\u00e9but de septembre 1201, probablement le 3 ou le 4 septembre, \u00e2g\u00e9e d\u2019environ quarante ans. Les circonstances exactes de sa mort demeurent incertaines. Elle est inhum\u00e9e \u00e0 l\u2019abbaye de Villeneuve, pr\u00e8s de Nantes.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Son fils Arthur poursuit alors la lutte. Captur\u00e9 par les forces de Jean sans Terre \u00e0 Mirebeau en 1202, il dispara\u00eet l\u2019ann\u00e9e suivante, probablement assassin\u00e9 sur ordre de son oncle ou directement de sa main, m\u00eame si les circonstances pr\u00e9cises de sa mort restent inconnues. Sa disparition contribue puissamment \u00e0 retourner les seigneurs continentaux contre Jean et pr\u00e9c\u00e8de l\u2019effondrement d\u2019une grande partie de l\u2019empire continental des Plantagen\u00eats.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance, incarnation de la r\u00e9sistance politique bretonne<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Constance occupe ainsi une place particuli\u00e8re dans l\u2019histoire bretonne. H\u00e9riti\u00e8re du tr\u00f4ne de Bretagne dans une p\u00e9riode o\u00f9 celui-ci \u00e9tait convoit\u00e9 par l\u2019une des dynasties les plus puissantes d\u2019Europe, elle passa une grande partie de son existence \u00e0 tenter de pr\u00e9server les droits de la dynastie conanienne et ceux de son fils au milieu de l\u2019affrontement entre Plantagen\u00eats et Cap\u00e9tiens. Sa captivit\u00e9 et la r\u00e9action des barons bretons montrent \u00e9galement qu\u2019\u00e0 la fin du XIIe si\u00e8cle la Bretagne constituait un \u00c9tat suffisamment structur\u00e9 pour r\u00e9sister aux interventions directes du souverain anglais.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Son r\u00e8gne appartient finalement \u00e0 l\u2019un des moments les plus dramatiques de l\u2019histoire m\u00e9di\u00e9vale bretonne : celui o\u00f9 le destin de la Bretagne, celui de l\u2019empire Plantagen\u00eat et celui de la monarchie anglaise se trouv\u00e8rent momentan\u00e9ment li\u00e9s autour d\u2019une m\u00eame femme et de son fils. Constance mourut avant d\u2019en conna\u00eetre le d\u00e9nouement, mais la lutte qu\u2019elle mena pour conserver son autorit\u00e9 et prot\u00e9ger les droits d\u2019Arthur en fit l\u2019une des grandes figures politiques de la Bretagne m\u00e9di\u00e9vale.<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Arthur et l\u2019effacement de la royaut\u00e9 bretonne<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Arthur est, par Constance, l\u2019h\u00e9ritier d\u2019une lign\u00e9e souveraine remontant aux rois de Bretagne. La qualification de \u00ab duc \u00bb que lui attribuent nombre de sources m\u00e9di\u00e9vales doit cependant \u00eatre replac\u00e9e dans son contexte documentaire : une partie importante de notre information provient de traditions diplomatiques ou chronistiques ext\u00e9rieures \u00e0 la Bretagne, notamment franques et anglo-normandes, qui d\u00e9crivent n\u00e9cessairement le pouvoir breton \u00e0 travers leurs propres cat\u00e9gories politiques et f\u00e9odales. Leur vocabulaire ne saurait donc, \u00e0 lui seul, d\u00e9montrer qu\u2019une renonciation bretonne formelle \u00e0 l\u2019ancienne dignit\u00e9 royale avait eu lieu.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Son rapprochement avec Philippe Auguste prend pr\u00e9cis\u00e9ment dans cette perspective une importance particuli\u00e8re. En recherchant contre Jean sans Terre l\u2019appui du Cap\u00e9tien et en entrant dans une relation d\u2019hommage avec lui, Arthur inscrit sa politique dans l\u2019ordre f\u00e9odal domin\u00e9 par les grandes monarchies voisines. On peut y voir symboliquement une \u00e9tape majeure de l\u2019effacement de la royale bretonne ; on ne peut toutefois pr\u00e9senter, sans source explicite, cet hommage comme l\u2019acte juridique par lequel Arthur aurait formellement abdiqu\u00e9 le titre royal. <\/span><\/p>\n<p style=\"text-align: right;\"><strong><span style=\"font-family: arial, helvetica, sans-serif; font-size: 14pt;\">Olier Kerdrel<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Constance de Bretagne na\u00eet vers 1161. Elle est la fille de Conan IV, souverain de Bretagne, et de Marguerite d\u2019\u00c9cosse, elle-m\u00eame fille du prince Henri d\u2019\u00c9cosse. H\u00e9riti\u00e8re de la maison r\u00e9gnante bretonne, Constance se trouve d\u00e8s son enfance au centre des ambitions des Plantagen\u00eats, dont l\u2019empire s\u2019\u00e9tend alors de l\u2019\u00c9cosse aux Pyr\u00e9n\u00e9es et constitue l\u2019une [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6601,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"sb_editor_width":"","footnotes":""},"categories":[50,65],"tags":[],"class_list":["post-6600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-histoire-de-bretagne","category-principale"],"relative_dates":{"created":"18 heures ago","modified":"18 heures ago"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Constance de Bretagne, Bretonne au c\u0153ur de la lutte contre les Plantagen\u00eats - STOURM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stourm.news\/?p=6600\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Constance de Bretagne, Bretonne au c\u0153ur de la lutte contre les Plantagen\u00eats - STOURM\" \/>\n<meta property=\"og:description\" content=\"Constance de Bretagne na\u00eet vers 1161. Elle est la fille de Conan IV, souverain de Bretagne, et de Marguerite d\u2019\u00c9cosse, elle-m\u00eame fille du prince Henri d\u2019\u00c9cosse. H\u00e9riti\u00e8re de la maison r\u00e9gnante bretonne, Constance se trouve d\u00e8s son enfance au centre des ambitions des Plantagen\u00eats, dont l\u2019empire s\u2019\u00e9tend alors de l\u2019\u00c9cosse aux Pyr\u00e9n\u00e9es et constitue l\u2019une [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stourm.news\/?p=6600\" \/>\n<meta property=\"og:site_name\" content=\"STOURM\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/stourmnews\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-04T11:45:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-04T11:46:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stourm.news\/wp-content\/uploads\/2026\/09\/f1f762f0-7944-4b43-beb4-506144b90388-1024x576.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"La r\u00e9daction\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"La r\u00e9daction\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/stourm.news\\\/?p=6600#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stourm.news\\\/?p=6600\"},\"author\":{\"name\":\"La r\u00e9daction\",\"@id\":\"https:\\\/\\\/stourm.news\\\/#\\\/schema\\\/person\\\/c3e1dc65988632e190969234ef046cf9\"},\"headline\":\"Constance de Bretagne, Bretonne au c\u0153ur de la lutte contre les Plantagen\u00eats\",\"datePublished\":\"2026-09-04T11:45:03+00:00\",\"dateModified\":\"2026-09-04T11:46:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/stourm.news\\\/?p=6600\"},\"wordCount\":1040,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/stourm.news\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/stourm.news\\\/?p=6600#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/stourm.news\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/f1f762f0-7944-4b43-beb4-506144b90388.png\",\"articleSection\":[\"Histoire de Bretagne\",\"Principale\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/stourm.news\\\/?p=6600#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stourm.news\\\/?p=6600\",\"url\":\"https:\\\/\\\/stourm.news\\\/?p=6600\",\"name\":\"Constance de Bretagne, Bretonne au c\u0153ur de la lutte contre les Plantagen\u00eats - 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