Paternal Family Tree: Oldenburg
On 28th October 1449 [his father] Christian I King of Denmark [aged 23] and [his mother] Dorothea of Brandenburg [aged 18] were married.
On 2nd February 1455 John King of Denmark Norway and Sweden was born to Christian I King of Denmark [aged 29] and Dorothea of Brandenburg [aged 24].
In July 1469 [his brother-in-law] King James III of Scotland [aged 17] and [his sister] Margaret of Denmark Queen Consort Scotland [aged 13] were married at Holyrood Abbey, Holyrood. She by marriage Queen Consort Scotland. She the daughter of [his father] Christian I King of Denmark [aged 43] and [his mother] Dorothea of Brandenburg [aged 38]. He the son of King James II of Scotland and Mary of Guelders Queen Consort Scotland.
In 1477 John King of Denmark Norway and Sweden [aged 21] and [his future wife] Christina Queen Consort Denmark Norway and Sweden [aged 15] were engaged.
On 6th September 1478 John King of Denmark Norway and Sweden [aged 23] and Christina Queen Consort Denmark Norway and Sweden [aged 16] were married. He the son of Christian I King of Denmark [aged 52] and Dorothea of Brandenburg [aged 47].
In 1479 [his son] Hans Oldenburg was born to John King of Denmark Norway and Sweden [aged 23] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 17]. He died aged one in 1480.
In 1480 [his son] Hans Oldenburg [aged 1] died.
In 1480 [his son] Ernst Oldenburg was born to John King of Denmark Norway and Sweden [aged 24] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 18].
On 21st May 1481 [his father] Christian I King of Denmark [aged 55] died. His son John [aged 26] succeeded King of Denmark. [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 19] by marriage Queen Consort Denmark.
The True Chronicles of Jean le Bel Volume 2 Chapters 61-109 1342-1361
The Chronicle of Jean le Bel, Volume 2 continues one of the most important fourteenth-century accounts of the early Hundred Years’ War. Written by the Liège chronicler Jean le Bel, this vivid narrative follows the fortunes of Edward III, Jean II of France, the Black Prince, the great nobles of France and England, and the soldiers, captains and companies who shaped the conflict. This volume covers some of the most dramatic events of the period, including the battles of Crécy and Poitiers, the siege and capture of Calais, the captivity of King John, the rise of the Jacquerie, the turmoil in Paris under Étienne Marcel and Charles of Navarre, the devastation caused by the free companies, Edward III’s great campaign of 1359–1360, and the negotiations leading to the Treaty of Brétigny. Jean le Bel’s chronicle is especially valuable for its lively detail, its interest in chivalry, warfare, politics and reputation, and its influence on later chroniclers, most famously Froissart. This English translation presents the text in clear, readable British English while preserving the force and character of the original narrative. The translation includes extensive notes to help the reader better understand Jean le Bel's text. Volume 2 also includes translated appendices drawn from royal and administrative records, many from the English Record Office, which illuminate Edward III’s campaigns in Brittany, the siege and occupation of Calais, naval preparations, military finance, appointments, safe conducts and related affairs.
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On 1st July 1481 [his son] Christian II King of Denmark II King Norway was born to John King of Denmark Norway and Sweden [aged 26] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 19]. He married 1515 his third cousin Isabella of Austria Queen Consort Denmark and Norway, daughter of Philip "Handsome Fair" King Castile and Joanna "The Mad" Trastámara Queen Castile, and had issue.
In 1483 John King of Denmark Norway and Sweden [aged 27] succeeded King Norway. [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 21] by marriage Queen Consort Norway.
In 1484 [his son] Jacob Oldenburg was born to John King of Denmark Norway and Sweden [aged 28] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 22].
On 24th June 1485 [his daughter] Elizabeth Oldenburg was born to John King of Denmark Norway and Sweden [aged 30] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 23].
On 14th July 1486 [his sister] Margaret of Denmark Queen Consort Scotland [aged 30] died.
On 10th November 1495 [his mother] Dorothea of Brandenburg [aged 64] died.
On 15th July 1497 [his son] Francis Oldenburg was born to John King of Denmark Norway and Sweden [aged 42] and [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 35].
On 6th October 1497 John King of Denmark Norway and Sweden [aged 42] succeeded King Sweden. [his wife] Christina Queen Consort Denmark Norway and Sweden [aged 35] by marriage Queen Consort Sweden.
In 1499 King Henry VII of England and Ireland [aged 41] created a number of Garter Knights..
243rd Edward Poynings [aged 40].
244th John King of Denmark Norway and Sweden [aged 43].
245th Gilbert Talbot [aged 47].
246th King Henry VIII of England and Ireland [aged 7].
247th Henry Percy 5th Earl of Northumberland [aged 20].
248th Edward Stafford 3rd Duke of Buckingham [aged 20].
249th Charles Somerset 1st Earl of Worcester [aged 39]. The date sometimes given as 1496?
250th Edmund Pole 3rd Duke of Suffolk [aged 28].
251st Henry Bourchier 2nd Earl Essex 3rd Count of Eu.
252nd Thomas Lovell.
253rd Richard Pole [aged 37].
In 1500 [his son] Ernst Oldenburg [aged 20] died.
On 10th April 1502 [his brother] King Frederick I of Denmark [aged 30] and [his sister-in-law] Anna of Brandenburg [aged 14] were married. She the daughter of John "Cicero" Hohenzollern Elector Brandenburg and Margaret of Thuringia. He the son of [his father] Christian I King of Denmark and [his mother] Dorothea of Brandenburg. They were half second cousins.
William of Worcester's Chronicle of England
William of Worcester, born around 1415, and died around 1482 was secretary to John Fastolf, the renowned soldier of the Hundred Years War, during which time he collected documents, letters, and wrote a record of events. Following their return to England in 1440 William was witness to major events. Twice in his chronicle he uses the first person: 1. when writing about the murder of Thomas, 7th Baron Scales, in 1460, he writes '… and I saw him lying naked in the cemetery near the porch of the church of St. Mary Overie in Southwark …' and 2. describing King Edward IV's entry into London in 1461 he writes '… proclaimed that all the people themselves were to recognize and acknowledge Edward as king. I was present and heard this, and immediately went down with them into the city'. William’s Chronicle is rich in detail. It is the source of much information about the Wars of the Roses, including the term 'Diabolical Marriage' to describe the marriage of Queen Elizabeth Woodville’s brother John’s marriage to Katherine, Dowager Duchess of Norfolk, he aged twenty, she sixty-five or more, and the story about a paper crown being placed in mockery on the severed head of Richard, 3rd Duke of York.
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On 1st April 1511 [his son] Francis Oldenburg [aged 13] died.
On 20th February 1513 John King of Denmark Norway and Sweden [aged 58] died. His son Christian [aged 31] succeeded II King of Denmark, II King Norway.
On 8th December 1521 [his former wife] Christina Queen Consort Denmark Norway and Sweden [aged 59] died.
James IV. to John King of Denmark. Credence for Magnus Beilde, a subject of the King of Denmark, who has been for some years in Scotland on James's service. Begs John to show himself an uncle now, as James means for life to act the part of a nephew and circumstances brook no delay.
Grandfather: Dietrich Count of Oldenburg 
Father: Christian I King of Denmark
Grandmother: Helvig of Schauenburg
John King of Denmark Norway and Sweden
Great x 4 Grandfather: Frederick Hohenzollern
Great x 3 Grandfather: John Hohenzollern II Burgrave Nuremburg
Great x 2 Grandfather: Frederick Hohenzollern V Burgrave Nuremburg
Great x 1 Grandfather: Frederick I Elector Brandenburg
Grandfather: John "The Alchemist" Margrave of Brandenburg-Kulmbach
Mother: Dorothea of Brandenburg
Great x 1 Grandfather: Rudolf III Duke of Saxe-Wittenberg
Grandmother: Barbara of Saxe-Wittenberg