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The Chronicle of Walter of Guisborough, a canon regular of the Augustinian Guisborough Priory, Yorkshire, formerly known as The Chronicle of Walter of Hemingburgh, describes the period from 1066 to 1346. Before 1274 the Chronicle is based on other works. Thereafter, the Chronicle is original, and a remarkable source for the events of the time. This book provides a translation of the Chronicle from that date. The Latin source for our translation is the 1849 work edited by Hans Claude Hamilton. Hamilton, in his preface, says: "In the present work we behold perhaps one of the finest samples of our early chronicles, both as regards the value of the events recorded, and the correctness with which they are detailed; Nor will the pleasing style of composition be lightly passed over by those capable of seeing reflected from it the tokens of a vigorous and cultivated mind, and a favourable specimen of the learning and taste of the age in which it was framed." Available at Amazon in eBook and Paperback.

Biography of Sebastian King Portugal 1554-1578

Paternal Family Tree: Capet

Maternal Family Tree: Leonor de Alvim

In 1552 [his father] John Manuel Aviz Prince Portugal (age 14) and [his mother] Joanna of Austria Princess Portugal (age 16) were married. She the daughter of [his grandfather] Charles V Holy Roman Emperor (age 51) and [his grandmother] Isabel Aviz Queen Consort Spain. He the son of [his grandfather] John III King Portugal (age 49) and [his grandmother] Catherine of Austria Queen Consort Portugal (age 44). They were double first cousins. He a great x 5 grandson of King Edward III of England. She a great x 5 granddaughter of King Edward III of England.

On 2nd January 1554 [his father] John Manuel Aviz Prince Portugal (age 16) died.

On 20th January 1554 Sebastian King Portugal was born to John Manuel Aviz Prince Portugal (deceased) and Joanna of Austria Princess Portugal (age 18). He was named after Saint Sebastian on whose Feast Day he was born. At birth he was heir apparent to the throne of Portugal since his father had died two weeks before his birth. Soon after his birth his mother Joanna of Austria Princess Portugal left Portugal to become Regent of Spain for her father serving in the same capacity for her brother after her father's abdication. She never saw him. Coefficient of inbreeding 20.02%.

On 11th June 1557 [his grandfather] John III King Portugal (age 55) died. His grandson Sebastian (age 3) succeeded King Portugal. Sebastian's paternal grandmother [his grandmother] Catherine of Austria Queen Consort Portugal (age 50) acted as Regent during his minority being replaced by Henrique Aviz Cardinal King Portugal (age 45) when she resigned in 1562.

On 7th September 1573 [his mother] Joanna of Austria Princess Portugal (age 38) died.

Battle of Alcácer Quibir or the Three Kings

On 4th August 1578 Sebastian King Portugal (age 24) was killed at the Battle of Alcácer Quibir or the Three Kings. He was succeeded by his great uncle Henrique Aviz Cardinal King Portgal 1512-1580.

Sebastian King Portugal 1554-1578 appears on the following Descendants Family Trees:

Royal Ancestors of Sebastian King Portugal 1554-1578

Kings Wessex: Great x 16 Grand Son of King Edmund "Ironside" I of England

Kings Gwynedd: Great x 20 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd

Kings Seisyllwg: Great x 22 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth

Kings Powys: Great x 20 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd

Kings England: Great x 6 Grand Son of King Edward III of England

Kings Scotland: Great x 15 Grand Son of King Duncan I of Scotland

Kings Franks: Great x 12 Grand Son of Louis VII King Franks

Kings France: Great x 8 Grand Son of King Philip IV of France

Kings Duke Aquitaine: Great x 20 Grand Son of Ranulf I Duke Aquitaine

Ancestors of Sebastian King Portugal 1554-1578

Great x 4 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Edward "The Philosopher" I King Portugal Great Grand Son of King Edward III of England

Great x 4 Grandmother: Philippa of Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England

Great x 2 Grandfather: Ferdinand Aviz 2nd Duke Viseu 2 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Eleanor Trastámara Queen Consort Portugal 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Manuel "Fortunate" I King Portugal 3 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 4 Grandmother: Philippa of Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England

Great x 2 Grandmother: Beatrice Aviz Duchess Viseu 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Afonso Aviz I Duke Braganza 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Beatriz Pereira de Alvim

GrandFather: John III King Portugal 4 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Aragon 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Ferdinand II King Aragon 8 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Fadrique Enríquez Count Melgar Count Rueda 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Juana Enríquez Queen Consort Aragon 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Mariana Fernández Countess Melgar

Great x 1 Grandmother: Maria Trastámara Queen Consort Portugal 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Henry III King Castile 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Castile Great Grand Son of King Edward III of England

Great x 4 Grandmother: Catherine of Lancaster Queen Consort Castile Grand Daughter of King Edward III of England

Great x 2 Grandmother: Isabella Queen Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Isabella Aviz Queen Consort Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Father: John Manuel Aviz Prince Portugal 5 x Great Grand Son of King Edward III of England

Great x 3 Grandfather: Frederick "Peaceful or Fat" Habsburg III Holy Roman Emperor

Great x 4 Grandmother: Cymburgis Masovia Duchess Austria

Great x 2 Grandfather: Maximilian Habsburg I Holy Roman Emperor 3 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Edward "The Philosopher" I King Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Eleanor Aviz Holy Roman Empress 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Eleanor Trastámara Queen Consort Portugal 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Philip "Handsome Fair" King Castile 4 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Philip "Good" Valois III Duke Burgundy 4 x Great Grand Son of King Edward I of England

Great x 3 Grandfather: Charles "Bold" Valois Duke Burgundy 2 x Great Grand Son of King Edward III of England

Great x 4 Grandmother: Isabella Aviz Duchess Burgundy Great Grand Daughter of King Edward III of England

Great x 2 Grandmother: Mary Valois Duchess Burgundy 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Charles Bourbon I Duke Bourbon 5 x Great Grand Son of King Henry III of England

Great x 3 Grandmother: Isabella Bourbon 5 x Great Grand Daughter of King Edward I of England

Great x 4 Grandmother: Agnes Valois Duchess Bourbon 4 x Great Grand Daughter of King Edward I of England

GrandMother: Catherine of Austria Queen Consort Portugal 4 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Aragon 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Ferdinand II King Aragon 8 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Fadrique Enríquez Count Melgar Count Rueda 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Juana Enríquez Queen Consort Aragon 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Mariana Fernández Countess Melgar

Great x 1 Grandmother: Joanna "The Mad" Trastámara Queen Castile 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Henry III King Castile 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Castile Great Grand Son of King Edward III of England

Great x 4 Grandmother: Catherine of Lancaster Queen Consort Castile Grand Daughter of King Edward III of England

Great x 2 Grandmother: Isabella Queen Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Isabella Aviz Queen Consort Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Sebastian King Portugal 6 x Great Grand Son of King Edward III of England

Great x 3 Grandfather: Frederick "Peaceful or Fat" Habsburg III Holy Roman Emperor

Great x 4 Grandmother: Cymburgis Masovia Duchess Austria

Great x 2 Grandfather: Maximilian Habsburg I Holy Roman Emperor 3 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Edward "The Philosopher" I King Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Eleanor Aviz Holy Roman Empress 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Eleanor Trastámara Queen Consort Portugal 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Philip "Handsome Fair" King Castile 4 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Philip "Good" Valois III Duke Burgundy 4 x Great Grand Son of King Edward I of England

Great x 3 Grandfather: Charles "Bold" Valois Duke Burgundy 2 x Great Grand Son of King Edward III of England

Great x 4 Grandmother: Isabella Aviz Duchess Burgundy Great Grand Daughter of King Edward III of England

Great x 2 Grandmother: Mary Valois Duchess Burgundy 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Charles Bourbon I Duke Bourbon 5 x Great Grand Son of King Henry III of England

Great x 3 Grandmother: Isabella Bourbon 5 x Great Grand Daughter of King Edward I of England

Great x 4 Grandmother: Agnes Valois Duchess Bourbon 4 x Great Grand Daughter of King Edward I of England

GrandFather: Charles V Holy Roman Emperor 4 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Aragon 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Ferdinand II King Aragon 8 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Fadrique Enríquez Count Melgar Count Rueda 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Juana Enríquez Queen Consort Aragon 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Mariana Fernández Countess Melgar

Great x 1 Grandmother: Joanna "The Mad" Trastámara Queen Castile 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Henry III King Castile 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Castile Great Grand Son of King Edward III of England

Great x 4 Grandmother: Catherine of Lancaster Queen Consort Castile Grand Daughter of King Edward III of England

Great x 2 Grandmother: Isabella Queen Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Isabella Aviz Queen Consort Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Mother: Joanna of Austria Princess Portugal 5 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Edward "The Philosopher" I King Portugal Great Grand Son of King Edward III of England

Great x 4 Grandmother: Philippa of Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England

Great x 2 Grandfather: Ferdinand Aviz 2nd Duke Viseu 2 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Eleanor Trastámara Queen Consort Portugal 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 1 Grandfather: Manuel "Fortunate" I King Portugal 3 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: King John I of Portugal 5 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 4 Grandmother: Philippa of Lancaster Queen Consort Portugal Grand Daughter of King Edward III of England

Great x 2 Grandmother: Beatrice Aviz Duchess Viseu 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Afonso Aviz I Duke Braganza 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Beatriz Pereira de Alvim

GrandMother: Isabel Aviz Queen Consort Spain 4 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Ferdinand I King Aragon 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Aragon 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 2 Grandfather: Ferdinand II King Aragon 8 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 4 Grandfather: Fadrique Enríquez Count Melgar Count Rueda 7 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandmother: Juana Enríquez Queen Consort Aragon 8 x Great Grand Daughter of King Henry "Curtmantle" II of England

Great x 4 Grandmother: Mariana Fernández Countess Melgar

Great x 1 Grandmother: Maria Trastámara Queen Consort Portugal 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Henry III King Castile 6 x Great Grand Son of King Henry "Curtmantle" II of England

Great x 3 Grandfather: John II King Castile Great Grand Son of King Edward III of England

Great x 4 Grandmother: Catherine of Lancaster Queen Consort Castile Grand Daughter of King Edward III of England

Great x 2 Grandmother: Isabella Queen Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Prince John Aviz Constable Portugal Great Grand Son of King Edward III of England

Great x 3 Grandmother: Isabella Aviz Queen Consort Castile 2 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Isabella of Braganza 7 x Great Grand Daughter of King Henry "Curtmantle" II of England