Biography of Peter I King Portugal 1320-1367
Paternal Family Tree: Capet
On 12 Sep 1309 [his father] Alfonso "Brave" IV King Portugal (age 18) and [his mother] Beatrice Ivrea Queen Consort Portugal (age 16) were married. She the daughter of Sancho IV King Castile IV King Leon and Maria Molina Queen Consort Castile Queen Consort Leon. He the son of Denis I King Portugal (age 47) and Elisabeth Barcelona Queen Consort Portugal (age 38). They were half first cousin once removed. He a great x 3 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England. 
On 08 Apr 1320 Peter I King Portugal was born to Alfonso "Brave" IV King Portugal (age 29) and Beatrice Ivrea Queen Consort Portugal (age 27). Coefficient of inbreeding 3.61%.
In 1325 Alfonso "Avenger" XI King Castile (age 13) and [his future wife] Constanza Manuel Queen Consort Castile (age 9) were married. She by marriage Queen Consort Castile. The marriage was annulled in 1327; there was no issue from the marriage. He the son of Ferdinand IV King Castile IV King Leon and Constance Burgundy Queen Consort Castile Queen Consort Leon. They were second cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
On 07 Jan 1325 [his grandfather] Denis I King Portugal (age 63) died. His son [his father] Alfonso "Brave" IV King Portugal (age 33) succeeded IV King Portugal. [his mother] Beatrice Ivrea Queen Consort Portugal (age 32) by marriage Queen Consort Portugal.
On 24 Aug 1340 Peter I King Portugal (age 20) and Constanza Manuel Queen Consort Castile (age 24) were married. She by marriage Queen Consort Portugal. He the son of Alfonso "Brave" IV King Portugal (age 49) and Beatrice Ivrea Queen Consort Portugal (age 47). They were second cousins. He a great x 4 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
On 31 Oct 1345 [his son] Ferdinand I King Portugal was born to Peter I King Portugal (age 25) and [his wife] Constanza Manuel Queen Consort Castile (age 29). Coefficient of inbreeding 3.84%.
On 13 Jan 1349 [his wife] Constanza Manuel Queen Consort Castile (age 33) died.
In or before 1350 Peter I King Portugal (age 29) and Inês Castro (age 24) were married. She by marriage Queen Consort Portugal. There is some uncertainty as to whether they were married. He announced their marriage in 1357 after he succeeded, and after her death, thereby ensuring their children were legitimate. He the son of Alfonso "Brave" IV King Portugal (age 58) and Beatrice Ivrea Queen Consort Portugal (age 56). He a great x 4 grandson of King Henry "Curtmantle" II of England.
In 1350 [his son] Alfonso Burgundy was born to Peter I King Portugal (age 29) and [his wife] Inês Castro (age 25).
In 1350 [his son] Alfonso Burgundy died.
In 1352 [his son] John Burgundy was born to Peter I King Portugal (age 31) and [his wife] Inês Castro (age 27).
In 1352 [his son] King John I of Portugal was born to Peter I King Portugal (age 31) and [his wife] Inês Castro (age 27) at Lisbon.
In 1353 [his son] Denis Burgundy was born to Peter I King Portugal (age 32) and [his wife] Inês Castro (age 28).
In 1354 [his daughter] Beatrice Burgundy was born to Peter I King Portugal (age 33) and [his wife] Inês Castro (age 29).
On 07 Jan 1355 [his wife] Inês Castro (age 30) was murdered on the orders of her husband's (age 34) father [his father] Alfonso "Brave" IV King Portugal (age 63) who didn't approve of their marriage, or relationship. He, Peter, subsequently captured two of the murderers and had them executed.
On 28 May 1357 [his father] Alfonso "Brave" IV King Portugal (age 66) died. His son Peter I King Portugal (age 37) succeeded I King Portugal.
Before 24 Aug 1358 Henry "Fratricide" II King Castile (age 24) and [his former sister-in-law] Juana Manuel Queen of Castile (age 19) were married. He the illegitmate son of Alfonso "Avenger" XI King Castile and Eleanor Guzman. They were half second cousin twice removed. He a great x 5 grandson of King Henry "Curtmantle" II of England. She a great x 4 granddaughter of King Henry "Curtmantle" II of England.
In 1359 [his mother] Beatrice Ivrea Queen Consort Portugal (age 66) died.
On 18 Jan 1367 Peter I King Portugal (age 46) died. His son [his son] Ferdinand I King Portugal (age 21) succeeded I King Portugal.
Sancho Alfonso Ivrea and [his daughter] Beatrice Burgundy were married. The difference in their ages was 23 years. She the daughter of Peter I King Portugal and Inês Castro. He the illegitmate son of Alfonso "Avenger" XI King Castile and Eleanor Guzman. They were second cousins. He a great x 5 grandson of King Henry "Curtmantle" II of England. She a great x 5 granddaughter of King Henry "Curtmantle" II of England.
Kings Wessex: Great x 9 Grand Son of King Edmund "Ironside" I of England
Kings England: Great x 4 Grand Son of King Henry "Curtmantle" II of England
Kings Scotland: Great x 7 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 15 Grand Son of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 8 Grand Son of Robert "Pious" II King France
Great x 4 Grandfather: Afonso "Conqueror Founder Great" I King Portugal
Great x 3 Grandfather: Sancho "Populator" I King Portugal
Great x 4 Grandmother: Malfada Savoy Queen Consort Portugal
Great x 2 Grandfather: Alfonso "Fat" II King Portugal
Great x 4 Grandfather: Raymond Berenguer Barcelona V Count Barcelona
Great x 3 Grandmother: Dulce Barcelona Queen Consort Portugal
Great x 1 Grandfather: Alfonso III King Portugal Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Sancho III King Castile
Great x 3 Grandfather: Alfonso VIII King Castile
Great x 4 Grandmother: Blanche Ramirez Queen Consort Castile
Great x 2 Grandmother: Urraca Ivrea Queen Consort Portugal Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King Henry "Curtmantle" II of England
Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Eleanor Plantagenet Queen Consort Castile Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor of Aquitaine Queen Consort Franks and England
GrandFather: Denis I King Portugal 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso IX King Leon
Great x 3 Grandfather: Ferdinand III King Castile III King Leon Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Berengaria Ivrea I Queen Castile Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Alfonso X King Castile X King Leon 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Philip King Germany
Great x 3 Grandmother: Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon
Great x 1 Grandmother: Beatrice Queen Consort Portugal 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Mayor Guillén de Guzmán
Father: Alfonso "Brave" IV King Portugal 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso II King Aragon
Great x 3 Grandfather: Peter II King Aragon
Great x 4 Grandmother: Sancha Ivrea Queen Consort Aragon
Great x 2 Grandfather: James I King Aragon
Great x 3 Grandmother: Marie Montpellier Queen Consort Aragon
Great x 1 Grandfather: Peter III King Aragon
Great x 4 Grandfather: King Béla III of Hungary
Great x 3 Grandfather: King Andrew II of Hungary
Great x 2 Grandmother: Violant Árpád Queen Consort Aragon
GrandMother: Elisabeth Barcelona Queen Consort Portugal 6 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Henry Hohenstaufen VI Holy Roman Emperor
Great x 3 Grandfather: Frederick I King Jerusalem II Holy Roman Emperor
Great x 2 Grandfather: Manfred King Sicily
Great x 3 Grandmother: Bianca Lancia
Great x 1 Grandmother: Constance Hohenstaufen Queen Consort Aragon 5 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Thomas Savoy I Count Savoy
Great x 3 Grandfather: Amedeo Savoy IV Count Savoy
Great x 4 Grandmother: Margaret Geneva Countess Savoy
Great x 2 Grandmother: Beatrice Savoy Marchioness of Saluzzo 4 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandfather: Hugh III Duke Burgundy
2 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Margaret Burgundy Countess Savoy 3 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Beatrice of Albon Duchess Burgundy
Peter I King Portugal 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Ferdinand II King Leon
Great x 3 Grandfather: Alfonso IX King Leon
Great x 4 Grandmother: Urraca Burgundy Queen Consort Leon
Great x 2 Grandfather: Ferdinand III King Castile III King Leon Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso VIII King Castile
Great x 3 Grandmother: Berengaria Ivrea I Queen Castile Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Eleanor Plantagenet Queen Consort Castile Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: Alfonso X King Castile X King Leon 2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Frederick "Barbarossa" Hohenstaufen I Holy Roman Emperor
Great x 3 Grandfather: Philip King Germany
Great x 4 Grandmother: Beatrice Ivrea Holy Roman Empress
Great x 2 Grandmother: Elisabeth Hohenstaufen Queen Consort Castile Queen Consort Leon
GrandFather: Sancho IV King Castile IV King Leon 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Alfonso II King Aragon
Great x 3 Grandfather: Peter II King Aragon
Great x 4 Grandmother: Sancha Ivrea Queen Consort Aragon
Great x 2 Grandfather: James I King Aragon
Great x 3 Grandmother: Marie Montpellier Queen Consort Aragon
Great x 1 Grandmother: Violante Barcelona Queen Consort Castile Queen Consort Leon
Great x 4 Grandfather: King Béla III of Hungary
Great x 3 Grandfather: King Andrew II of Hungary
Great x 2 Grandmother: Violant Árpád Queen Consort Aragon
Mother: Beatrice Ivrea Queen Consort Portugal 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandMother: Maria Molina Queen Consort Castile Queen Consort Leon