Afonso I “the Conqueror”, King of Portugal

Male 1110 - 1185  (75 years)


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  • Name Afonso I “the Conqueror” , King of Portugal 
    Suffix King of Portugal 
    Born 25 Jul 1110 
    Gender Male 
    Died 6 Dec 1185 
    Notes 
    • “dom AFONSO Henriquez, son of dom HENRIQUE Conde de Portugal & his wife doña Teresa de Castilla y León (Guimaraes 25 Jul 1110-Coimbra 6 Dec 1185, bur Coimbra, Church of the Cross). The Chronicon Regum Legionensium names (in order) "Urraca, Elvivira and Afonso" as the children of Count Henrique & his wife. The Chronicon Lusitanum records the birth in 1151 (1113) of “Infans Alfonsus Comitis Henrici et Reginæ D. Tarasiæ filius, Regis D. Alfonsi nepos”. He succeeded his father in 1112 aas dom AFONSO I Conde de Portugal. Ruling through his mother, he overthrew and expelled her from Portugal in 1128. In 1135 he refused to swear homage to Alfonso VII King of Castile, from that time using the title 'Prince of Portugal'. He moved his capital to Coimbra. In 1139 he won a notable victory against the Muslims in Santarem who were reduced to tributary status. He proclaimed himseld dom AFONSO I "the Conqueror" King of Portugal in 1139. His establishment of the archbishopric of Braga gave Portugal ecclesiastical independence. “Alfonsus, Portugaliæ rex, comitis Henrici et reginæ Theresiæ filius, magni quoque regis Alfonsi nepos…cum uxore mea regina donna Malfada, filia comitis Amedei de Moriana” confirmed donations to La Charité-sur-Loire by his father by charter dated Jul 1145. He swore allegiance to the Pope, although Papal recognition of his title of king of Portugal was only given in 1179. He expanded his territory to the south, capturing Lisbon iin 1147 with the help of a force of English, French and Flemish crusaders. The De Rebus Hispaniæ of Rodericus Ximenes records that "Aldefonsus" was buried "Coimbræ in Monasterio S. Crucis". The Chronicon Conimbricensi records the death “VIII Id Dec” in [1185] of “Rex Ildefonsus Portugalensis”.
      m ([Jan/Jun] 1146) MATHILDE de Savoie, daughter of AMEDEE III Comte de Maurienne et de Savoie & his first wife Adélaïde --- ([1125]-Coimbra 4 Nov 1157, bur Coimbra, Church of the Cross). The Chronicle of Alberic de Trois-Fontaines refers to the wife of "Aldefonsus rex Portugallie" as "filia comitis Sabaudie" but does not name her. The De Rebus Hispaniæ of Rodericus Ximenes records the marriage of "Aldefonsum" and "Mafaldam filiam Comitis Maurienæ". The Chronicon Lusitanum records the marriage in 1183 (1145) of “Rex Donnus Alfonsus” and “Donnam Matildam, Comitis Amadæi de Moriana filiam”, adding that they had three sons, of whom two died young, and three daughters. She was known as dona MAFALDA in Portugal. “Alfonsus, PoPortugaliæ rex, comitis Henrici et reginæ Theresiæ filius, magni quoque regis Alfonsi nepos…cum uxore mea regina donna Malfada, filia comitis Amedei de Moriana” confirmed donations to La Charité-sur-Loire by his father by charter dated Jul 1145. The Chronicon Lusitanum records the death “III Non Dec” in 1196 (1158) of “Regina D. Matilda…Comitis Amadæi filia, uxor D. Alfonsi Portugallensium Regis”.
      King Afonso I & his wife had seven children:
      1. Infante dom HENRIQUE de Portugal (5 Mar 1147-before 1156).
      2. Infanta dona MAFALDA de Portugal ([1149]-[1173/74]). Betrothed ([30 Jan 1160]) to RAMÓN de Barcelona, Infante de Aragón, son of RAMÓN BERENGUER IV Conde de Barcelona & doña Petronilla Queen of Aragon (Villamayor del Valle, Huesca 1/25 Mar 1157-Perpignan 25 Apr 1195, bur Poblet, monastery of Nuestra Señora), who succeeded his father in 1162 as Conde de Barcelona and his mother in 1174 as don ALFONSO II King of Aragon.
      3. Infanta dona URRACA de Portugal ([1151]-Valladolid 16 Oct 1188). The De Rebus Hispaniæ of Rodericus Ximenes names "Sancium et Urracam…et aliam filiam…Tarasia" as the children of "Aldefonsum" & his wife, specifying that Urraca married "Fernandi Regis Legionensis". The Chronicon Lusitanum records that “D. Orracam” daughter of “Rex Donnus Alfonsus” and his wife “Donnam Matildam, Comitis Amadæi de Moriana filiam” married “Regi Legionensium Donno Fernando”, adding in a later passage that they married in Aug 1209 (1171). The Crónica Latina records that “el rey Fernando” married “Urraca, hija de Alfonso rey de Portugal” but that they were related in the 3rd degree of consanguinity. m ([May/Jun] 1165, annulled Jun 1175 for consanguinity) as his first wife, don FERNANDO II King of León, son of don ALFONSO VII "el Emperador" King of Castile and León & his first wife Berenguela de Barcelona (1137-Benavente 22 Jan 1188, bur Santiago de Compostela, Cathedral Santiago el Mayor).
      4. Infanta dona SANCHA de Portugal ([1153]-after 14 Feb 1159).
      5. Infante dom SANCHO Martino de Portugal (Coimbra 11 Nov 1154-Coimbra 26 Mar 1212, bur Coimbra, Church of the Cross). The De Rebus Hispaniæ of Rodericus Ximenes names "Sancium et Urracam…et aliam filiam…Tarasia" as the children of "Aldefonsum" & his wife. He succeeded his father 1185 as dom SANCHO I “o Poblador” King of Portugal.
      6. Infante dom JOÃO ([1156]-young).
      7. Infanta dona TERESA de Portugal (1157-drowned off Furnes, Flanders 6 May 1218, bur Abbaye de Clairvaux, Jura). The De Rebus Hispaniæ of Rodericus Ximenes names "Sancium et Urracam…et aliam filiam…Tarasia" as the children of "Aldefonsum" & his wife, specifying that Teresa married "Philippo Comiti Flandriæ et Hannoniæ" and died childless. The Chronicon Lusitanum records that “D. Tarasiam” daughter of “Rex Donnus Alfonsus” and his wife “Donnam Matildam, Comitis Amadæi de Moriana filiam” married “Consuli Flandrensium D”[43]. Known as TERESA from birth, she adopted the name MAFALDA in [1173/74] after the death of her older sister of that name, and was later known as MATHILDE. Senhora de Montemayor el Viejo e Ourem. The Flandria Generosa specifies that on her (first) marriage she was given "Insulam et Duacum et plures…villas…iacentes, Caslethuin, Watenes, Bergas, Burburgium, totamque maritimmam regionem". The Flandria Generosa names "Mathildis regine Portusequalis" as wife of Count Philippe, specifying that she arranged the repatriation of her husband's body to "Claramvallem". After the death of her husband, she received her widow's portion in southern and coastal Flanders but increased taxes so much that she provoked rebellions at Veurne [Furnes] and the castellany of Bourbourg. She was designated regina and Ctss of Flanders when she promised her second husband not to marry again without his permission. The Flandria Generosa records that she was "amita" of "Fernando filio regis Portusequalis" and instrumental in arranging his marriage to her first husband's great-niece Jeanne Ctss of Flanders. The Chronicle of Alberic de Trois-Fontaines records the death in 1218 of "comitissa vetus de Flandria relicta comitis Philippi" and her burial next to her husband at Clairvaux. She died when her carriage accidentally fell into a marsh near Furnes. m firstly (Aug 1183) as his second wife, PHILIPPE Count of Flanders, son of THIERRY I Count of Flanders & his second wife Sibylle d'Anjou (-Acre 1 Jul 1191, bur Abbaye de Clairvaux, Jura). m secondly (1193, divorced on grounds of consanguinity 1195) as his first wife, EUDES III Duke of Burgundy, son of HUGUES III Duke of Burgundy & his first wife Alix de Lorraine (1166-Lyon 6 Jul 1218, bur Abbaye de Cîteaux).
      King Afonso I had five illegitimate children by unknown mistresses:
      8. dom FERNANDO Afonso de Portugal (-after Aug 1172). Great shield bearer of Portugal 1166-69.
      9. dom PEDRO Afonso de Portugal (-after 1206, bur Cistercian monastery of Santa Maria de Alcobaça). Monk in monastery of Alcobace 1206.
      10. dom AFONSO Afonso de Portugal (-Santarem 1 Mar 1207, bur São João Santarem). Knight of the Order of St John of Jerusalem 1194. Grand Master of the Order of St John of Jerusalem 1202-04.
      11. dona TERESA Afonso de Portugal. m firstly don SANCHO Nuñez de Barbosa . m secondly dom FERNANDO Mendez 2nd Senhor de Bragança e Chaves .
      12. dona URRACA Afonso de Portugal. m dom PEDRO Afonso de Viegas.”««s87»» [1]
    Person ID I15121  Lowell&Block
    Last Modified 5 Feb 2017 

    Father Henrique, Conde de Portugal,   b. 1069/72,   d. 22 May 1112  (Age 40 years) 
    Mother Teresa, de Castilla y Leó, Queen of Portugal,   b. 1083/85,   d. 1 Nov 1130  (Age 45 years) 
    Family ID F5407  Group Sheet

    Family Mathilde (Mafalda), de Savoie,   b. Abt 1125,   d. 4 Nov 1157  (Age ~ 32 years) 
    Children 
     1. Henrique, de Portugal
     2. Mafalda, de Portugal
    +3. Urraca, de Portugal,   b. Abt 1151, Coimbra, Coimbra Municipality, Portugal Find all individuals with events at this location,   d. 16 Oct 1188, Valladolid, Vallodolid Province, Spain Find all individuals with events at this location  (Age ~ 37 years)
     4. Sancha, de Portugal
     5. Sancho I “o Poblador”, King of Portugal
     6. Joāo
     7. Teresa, de Portugal
    Last Modified 5 Feb 2017 
    Family ID F5205  Group Sheet

  • Sources 
    1. [S87] Foundation for Medieval Genealogy., Foundation for Medieval Genealogy Trustees..