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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Paternal Family Tree: Wettin
On 7th October 1548 [his father] Augustus Wettin Elector of Saxony [aged 22] and [his mother] Anna Oldenburg [aged 15] were married at Torgau. She the daughter of [his grandfather] Christian III King of Denmark [aged 45] and [his grandmother] Dorothea of Saxe Lauenburg Queen Consort Denmark and Norway [aged 37]. They were third cousin once removed.
On 29th October 1560 Christian Wettin I Elector Saxony was born to [his father] Augustus Wettin Elector of Saxony [aged 34] and [his mother] Anna Oldenburg [aged 27].
On 25th April 1582 Christian Wettin I Elector Saxony [aged 21] and Sophie of Brandenburg [aged 13] were married. He the son of Augustus Wettin Elector of Saxony [aged 55] and Anna Oldenburg [aged 49]. They were third cousins.
On 5th March 1585 [his son] John George Elector Saxony was born to Christian Wettin I Elector Saxony [aged 24] and [his wife] Sophie of Brandenburg [aged 16]. He married (1) 1604 his half third cousin once removed Sibylla Elisabeth of Württemberg, daughter of Frederick I Duke Württemberg and Sibylla of Anhalt (2) 1607 his second cousin once removed Magdalene Sibylle of Prussia, daughter of Albert Frederick Hohenzollern Duke Prussia and Marie Eleonore de la Marck, and had issue.
On 1st October 1585 [his mother] Anna Oldenburg [aged 52] died.
On 11th February 1586 [his father] Augustus Wettin Elector of Saxony [aged 59] died. His son Christian [aged 25] succeeded Elector Saxony.
On 25th September 1591 Christian Wettin I Elector Saxony [aged 30] died. His son John [aged 6] succeeded Elector Saxony.
On 7th December 1622 [his former wife] Sophie of Brandenburg [aged 54] died.
Kings Wessex: Great x 16 Grand Son of King Edmund "Ironside" I of England
Kings Godwinson: Great x 16 Grand Son of King Harold II of England
Kings England: Great x 11 Grand Son of King Henry "Curtmantle" II of England
Kings Scotland: Great x 15 Grand Son of King Duncan I of Scotland
Kings Franks: Great x 22 Grand Son of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Kings France: Great x 17 Grand Son of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 20 Grand Son of Ranulf I Duke Aquitaine
Great x 3 Grandfather: Frederick I Duke Saxony
Great x 2 Grandfather: Frederick II Duke Saxony 7 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Henry "The Mild" Welf 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Catherine of Brunswick-Lüneburg 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Sophie Griffins
Great x 1 Grandfather: Albert III Duke Saxony 8 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Leopold "The Just" Habsburg III Duke Austria
Great x 3 Grandfather: Ernest "The Iron" Habsburg I Duke Austria
Great x 4 Grandmother: Viridis Visconti Duchess Austria
Great x 2 Grandmother: Margaret of Austria
Great x 4 Grandfather: Siemowit IV Duke of Masovia
Great x 3 Grandmother: Cymburgis Masovia Duchess Austria
Great x 4 Grandmother: Alexandra of Lithuania
GrandFather: Henry IV Duke Saxony 9 x Great Grand Son of King Henry "Curtmantle" II of England
Father: Augustus Wettin Elector of Saxony 10 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Henry IV Duke of Mecklenburg
Great x 1 Grandfather: Magnus II Duke of Mecklenburg
GrandMother: Catherine of Mecklenburg Duchess of Saxony
Christian Wettin I Elector Saxony 11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Dietrich Count of Oldenburg 
Great x 2 Grandfather: Christian I King of Denmark
Great x 3 Grandmother: Helvig of Schauenburg
Great x 1 Grandfather: King Frederick I of Denmark
Great x 4 Grandfather: Frederick I Elector Brandenburg
Great x 3 Grandfather: John "The Alchemist" Margrave of Brandenburg-Kulmbach
Great x 2 Grandmother: Dorothea of Brandenburg
Great x 4 Grandfather: Rudolf III Duke of Saxe-Wittenberg
Great x 3 Grandmother: Barbara of Saxe-Wittenberg
GrandFather: Christian III King of Denmark 10 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Frederick I Elector Brandenburg
Great x 3 Grandfather: Albert "Achilles" Elector Brandenburg
Great x 2 Grandfather: John "Cicero" Hohenzollern Elector Brandenburg
Great x 1 Grandmother: Anna of Brandenburg 9 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Frederick I Duke Saxony
Great x 3 Grandfather: William III Duke of Luxemburg 7 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Catherine of Brunswick-Lüneburg 6 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Margaret of Thuringia 8 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Albert Habsburg V Duke Austria 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anne Habsburg 7 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Elizabeth Luxemburg Duchess Austria 
9 x Great Grand Daughter of King William "Conqueror" I of England
Mother: Anna Oldenburg 11 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandMother: Dorothea of Saxe Lauenburg Queen Consort Denmark and Norway