Biography of Alfonso III King Portugal 1210-1279

Paternal Family Tree: Capet

Maternal Family Tree: Dangereuse Ile Bouchard Viscountess Chatellerault 1079-1151

In 1206 [his father] Alfonso "Fat" II King Portugal (age 20) and [his mother] Urraca Ivrea Queen Consort Portugal (age 18) were married. She the daughter of [his grandfather] Alfonso VIII King Castile (age 50) and [his grandmother] Eleanor Plantagenet Queen Consort Castile (age 44). He the son of [his grandfather] Sancho "Populator" I King Portugal (age 51) and [his grandmother] Dulce Barcelona Queen Consort Portugal. They were second cousin once removed. She a granddaughter of King Henry "Curtmantle" II of England.

On 5th May 1210 Alfonso III King Portugal was born to [his father] Alfonso "Fat" II King Portugal (age 25) and [his mother] Urraca Ivrea Queen Consort Portugal (age 22). He a great grandson of King Henry "Curtmantle" II of England.

On 26th March 1211 [his grandfather] Sancho "Populator" I King Portugal (age 56) died. His son [his father] Alfonso (age 25) succeeded II King Portugal. [his mother] Urraca Ivrea Queen Consort Portugal (age 23) by marriage Queen Consort Portugal.

On 3rd November 1220 [his mother] Urraca Ivrea Queen Consort Portugal (age 33) died.

On 25th March 1223 [his father] Alfonso "Fat" II King Portugal (age 37) died at Coimbra. His son [his brother] Sancho (age 13) succeeded II King Portugal.

In 1239 Alfonso III King Portugal (age 28) and Matilda Dammartin Queen Consort Portugal (age 37) were married. She by marriage Queen Consort Portugal. She the daughter of Renaud Dammartin I Count Boulogne, Dammartin and Aumale and Ida Metz Countess Boulogne. He the son of Alfonso "Fat" II King Portugal and Urraca Ivrea Queen Consort Portugal. They were third cousin once removed. He a great grandson of King Henry "Curtmantle" II of England. She a great granddaughter of King Stephen I England.

On 4th January 1248 [his brother] Sancho "Pious" II King Portugal (age 38) died. His brother Alfonso (age 37) succeeded III King Portugal.

In 1250 [his illegitimate son] Martim Afonso Chichorro was born illegitimately to Alfonso III King Portugal (age 39) and Madragana Bat Aloandro aka Mór Afonso (age 20). It is through this descent that Charlotte Mecklenburg Strelitz Queen Consort England is considered by some to have had African ancestry - Martim is Charlotte's 12 x Great Grandfather. He a great x 2 grandson of King Henry "Curtmantle" II of England.

The History of William Marshal, Earl of Chepstow and Pembroke, Regent of England. Book 1 of 2, Lines 1-10152.

The History of William Marshal was commissioned by his son shortly after William’s death in 1219 to celebrate the Marshal’s remarkable life; it is an authentic, contemporary voice. The manuscript was discovered in 1861 by French historian Paul Meyer. Meyer published the manuscript in its original Anglo-French in 1891 in two books. This book is a line by line translation of the first of Meyer’s books; lines 1-10152. Book 1 of the History begins in 1139 and ends in 1194. It describes the events of the Anarchy, the role of William’s father John, John’s marriages, William’s childhood, his role as a hostage at the siege of Newbury, his injury and imprisonment in Poitou where he met Eleanor of Aquitaine and his life as a knight errant. It continues with the accusation against him of an improper relationship with Margaret, wife of Henry the Young King, his exile, and return, the death of Henry the Young King, the rebellion of Richard, the future King Richard I, war with France, the death of King Henry II, and the capture of King Richard, and the rebellion of John, the future King John. It ends with the release of King Richard and the death of John Marshal.

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Around 1250 [his illegitimate son] Martim Afonso Chichorro Burgundy was born illegitimately to Alfonso III King Portugal (age 39) and Madragana Ben Aloandro (age 20). He a great x 2 grandson of King Henry "Curtmantle" II of England.

In 1253 Alfonso III King Portugal (age 42) and Beatrice Queen Consort Portugal (age 11) were married. She by marriage Queen Consort Portugal. The difference in their ages was 31 years. She the illegitmate daughter of Alfonso X King Castile X King Leon (age 31) and Mayor Guillén de Guzmán (age 48). He the son of Alfonso "Fat" II King Portugal and Urraca Ivrea Queen Consort Portugal. They were first cousin twice removed. He a great grandson of King Henry "Curtmantle" II of England. She a great x 3 granddaughter of King Henry "Curtmantle" II of England.

In 1253 Alfonso III King Portugal (age 42) and Matilda Dammartin Queen Consort Portugal (age 51) were divorced.

In January 1259 [his former wife] Matilda Dammartin Queen Consort Portugal (age 57) died.

On 25th February 1259 [his daughter] Blanche Burgundy was born to Alfonso III King Portugal (age 48) and [his wife] Beatrice Queen Consort Portugal (age 17). She a great x 2 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

Around 1260 [his illegitimate daughter] Urraca Afonso Burgundy was born illegitimately to Alfonso III King Portugal (age 49) and Madragana Ben Aloandro (age 30). She a great x 2 granddaughter of King Henry "Curtmantle" II of England.

In 1260 [his son] Ferdinand Burgundy was born to Alfonso III King Portugal (age 49) and [his wife] Beatrice Queen Consort Portugal (age 18). He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%. He died aged two in 1262.

Around 1260 [his illegitimate son] Afonso Dinis Burgundy was born illegitimately to Alfonso III King Portugal (age 49) and Maria Peres Enxara. He a great x 2 grandson of King Henry "Curtmantle" II of England.

Chronicle of a Bourgeois of Valenciennes

Récits d’un bourgeois de Valenciennes aka The Chronicle of a Bourgeois of Valenciennes is a vivid 14th-century vernacular chronicle written by an anonymous urban chronicler from Valenciennes in the County of Hainaut. It survives in a manuscript that describes local and regional history from about 1253 to 1366, blending chronology, narrative episodes, and eyewitness-style accounts of political, military, and social events in medieval France, Flanders, and the Low Countries. The work begins with a chronological framework of events affecting Valenciennes and its region under rulers such as King Philip VI of France and the shifting allegiances of local nobility. It includes accounts of conflicts, sieges, diplomatic manoeuvres, and the impact of broader struggles like the Hundred Years’ War on urban life in Hainaut. Written from the perspective of a burgher (bourgeois) rather than a monastery or royal court, the chronicle offers a rare lay viewpoint on high politics and warfare, reflecting how merchants, townspeople, and civic institutions experienced the turbulence of the 13th and 14th centuries. Its narrative style combines straightforward reporting of events with moral and civic observations, making it a valuable source for readers interested in medieval urban society, regional politics, and the lived experience of war and governance in pre-modern Europe.

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On 9th October 1261 [his son] Denis I King Portugal was born to Alfonso III King Portugal (age 51) and [his wife] Beatrice Queen Consort Portugal (age 19). Denis I King Portugal succeeded I King Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%. He married 1282 his half third cousin once removed Elisabeth Barcelona Queen Consort Portugal, daughter of Peter III King Aragon and Constance Hohenstaufen Queen Consort Aragon, and had issue.

In 1262 [his son] Ferdinand Burgundy (age 2) died.

On 8th February 1263 [his son] Afonso Burgundy was born to Alfonso III King Portugal (age 52) and [his wife] Beatrice Queen Consort Portugal (age 21). He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%. He married 1287 his first cousin once removed Violante Manuel.

On 2nd February 1264 [his daughter] Sancha Burgundy was born to Alfonso III King Portugal (age 53) and [his wife] Beatrice Queen Consort Portugal (age 22). She a great x 2 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

On 21st November 1264 [his daughter] Maria Burgundy was born to Alfonso III King Portugal (age 54) and [his wife] Beatrice Queen Consort Portugal (age 22). She a great x 2 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

In 1266 [his daughter] Constanza Burgundy was born to Alfonso III King Portugal (age 55) and [his wife] Beatrice Queen Consort Portugal (age 24). She a great x 2 granddaughter of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%. She died aged five in 1271.

In 1268 [his son] Vincent Burgundy was born to Alfonso III King Portugal (age 57) and [his wife] Beatrice Queen Consort Portugal (age 26). He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%. He died aged three in 1271.

In 1271 [his son] Vincent Burgundy (age 3) died.

The Deeds of the Dukes of Normandy

The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.

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In 1271 [his daughter] Constanza Burgundy (age 5) died.

On 16th February 1279 Alfonso III King Portugal (age 68) died.

On 27th October 1303 [his former wife] Beatrice Queen Consort Portugal (age 61) died.

[his son] Fernando Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

[his son] Rodrigo Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

[his son] Leonor Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

[his son] Gil Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

[his son] Leonor Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

[his son] Henrique Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.

Philip Capet Count Boulogne and Matilda Dammartin Queen Consort Portugal were married. She the daughter of Renaud Dammartin I Count Boulogne, Dammartin and Aumale and Ida Metz Countess Boulogne. He the son of King Philip II of France and Agnes of Merania Queen Consort France. They were third cousins. He a great x 3 grandson of King William "Conqueror" I of England. She a great granddaughter of King Stephen I England.

Deeds of King Henry V

Henrici Quinti, Angliæ Regis, Gesta, is a first-hand account of the Agincourt Campaign, and subsequent events to his death in 1422. The author of the first part was a Chaplain in King Henry's retinue who was present from King Henry's departure at Southampton in 1415, at the siege of Harfleur, the battle of Agincourt, and the celebrations on King Henry's return to London. The second part, by another writer, relates the events that took place including the negotiations at Troye, Henry's marriage and his death in 1422.

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[his son] Urraca Burgundy was born to Alfonso III King Portugal and Beatrice Queen Consort Portugal. He a great x 2 grandson of King Henry "Curtmantle" II of England. Coefficient of inbreeding 2.41%.