Paternal Family Tree: Wettin
Maternal Family Tree: Anne Eleonore Hesse Darmstadt Duchess Brunswick-Lüneburg 1601-1659
On 9th October 1666 John George Wettin III Elector Saxony [aged 19] and [his mother] Anna Sophie Oldenburg [aged 19] were married. She the daughter of [his grandfather] Frederick III King of Denmark [aged 57] and [his grandmother] Sophie Amalie Hanover Queen Consort Denmark [aged 38]. He the son of John George Wettin Elector Saxony [aged 53]. They were third cousin once removed.
On 18th October 1668 John George Wettin IV Elector Saxony was born to John George Wettin III Elector Saxony [aged 21] and Anna Sophie Oldenburg [aged 21] at Dresden.
On 22nd August 1680 John George Wettin Elector Saxony [aged 67] died. His son John [aged 33] succeeded Elector Saxony.
On 12th September 1691 John George Wettin III Elector Saxony [aged 44] died. His son John [aged 22] succeeded IV Elector Saxony.
In 1692 John George Wettin IV Elector Saxony [aged 23] was appointed 501st Knight of the Garter by King William III of England, Scotland and Ireland [aged 41] and Mary Stewart II Queen England Scotland and Ireland [aged 29].
Calendar of the State Papers of William and Mary 1693 March. 31st March 1693. Whitehall. Warrant for the allowance of the expenses (amounting to 518l. 14s. 10d.) of Sir William Dutton Colt [aged 47], knt., for investing the Elector of Saxony [aged 24] with the order of the Garter at Dresden the 26th of Jan., 1698. [Ibid., p. 588.]
On 27th April 1694 John George Wettin IV Elector Saxony [aged 25] died.
Kings Wessex: Great x 19 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 18 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 24 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 19 Grand Son of Maredudd ap Bleddyn King Powys
Kings Godwinson: Great x 18 Grand Son of King Harold II of England
Kings England: Great x 10 Grand Son of King Edward III of England
Kings Scotland: Great x 17 Grand Son of King Malcolm III of Scotland
Kings France: Great x 10 Grand Son of King John "The Good" II of France
Kings Duke Aquitaine: Great x 23 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 7 Grand Son of John II King Aragon
Great x 4 Grandfather: Henry IV Duke Saxony 9 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Augustus Wettin Elector of Saxony 10 x Great Grandson of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Catherine of Mecklenburg Duchess of Saxony
Great x 2 Grandfather: Christian Wettin I Elector Saxony 10 x Great Grandson of King Philip III of France
Great x 4 Grandfather: Christian III King of Denmark 
8 x Great Grandson of King Philip III of France
Great x 3 Grandmother: Anna Oldenburg 9 x Great Granddaughter of King Philip III of France
Great x 4 Grandmother: Dorothea of Saxe Lauenburg Queen Consort Denmark and Norway
Great x 1 Grandfather: John George Elector Saxony 10 x Great Grandson of King Philip III of France
Great x 4 Grandfather: Joachim Hohenzollern Margrave of Brandenburg 8 x Great Grandson of King Philip III of France
Great x 3 Grandfather: John George Hohenzollern Margrave of Brandenburg 9 x Great Grandson of King Philip III of France
Great x 2 Grandmother: Sophie of Brandenburg 9 x Great Granddaughter of King Philip III of France
Great x 4 Grandfather: George Margrave of Brandenburg-Ansbach 7 x Great Grandson of King Philip III of France
Great x 3 Grandmother: Sabina of Brandenburg-Ansbach 8 x Great Granddaughter of King Philip III of France
Grandfather: John George Wettin Elector Saxony 5 x Great Grandson of John II King Aragon
Great x 4 Grandfather: Frederick Hohenzollern I Margrave Brandenburg-Ansbach
Great x 3 Grandfather: Albert "The Elder" Hohenzollern I Duke Prussia 7 x Great Grandson of King Philip III of France
Great x 4 Grandmother: Sophia Jagiellon Margravine of Brandenburg-Ansbach 6 x Great Granddaughter of King Philip III of France
Great x 2 Grandfather: Albert Frederick Hohenzollern Duke Prussia 8 x Great Grandson of King Philip III of France
Great x 4 Grandfather: Eric "The Elder" Guelph I Duke Brunswick-Lüneburg 8 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anna Maria Guelph Duchess Prussia 9 x Great Granddaughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Magdalene Sibylle of Prussia 4 x Great Granddaughter of John II King Aragon
Great x 4 Grandfather: John de la Marck III Duke Cleves 4 x Great Grandson of King John "The Good" II of France
Great x 3 Grandfather: William de la Marck Duke of Jülich Cleves Berg 5 x Great Grandson of King John "The Good" II of France
Great x 4 Grandmother: Maria Jülich Berg Duchess Cleves
Great x 2 Grandmother: Marie Eleonore de la Marck 3 x Great Granddaughter of John II King Aragon
Great x 4 Grandfather: Ferdinand I Holy Roman Emperor Great Grandson of John II King Aragon
Great x 3 Grandmother: Maria Habsburg Spain Duchess Cleves 2 x Great Granddaughter of John II King Aragon
Great x 4 Grandmother: Anne Jagiellon 2 x Great Granddaughter of John II King Aragon
Father: John George Wettin III Elector Saxony 6 x Great Grandson of John II King Aragon
John George Wettin IV Elector Saxony 7 x Great Grandson of John II King Aragon
Great x 4 Grandfather: King Frederick I of Denmark
Great x 3 Grandfather: Christian III King of Denmark 8 x Great Grandson of King Philip III of France
Great x 4 Grandmother: Anna of Brandenburg 7 x Great Granddaughter of King Philip III of France
Great x 2 Grandfather: Frederick II King of Denmark 9 x Great Grandson of King Philip III of France
Great x 3 Grandmother: Dorothea of Saxe Lauenburg Queen Consort Denmark and Norway
Great x 1 Grandfather: Christian IV King of Denmark 10 x Great Grandson of King Philip III of France
Great x 4 Grandfather: Albrecht VII Duke Mecklenburg
Great x 3 Grandfather: Ulrich Mecklenburg-Schwerin 9 x Great Grandson of King Philip III of France
Great x 4 Grandmother: Anna Hohenzollern Duchess Mecklenburg 8 x Great Granddaughter of King Philip III of France
Great x 2 Grandmother: Sophie Mecklenburg-Schwerin Queen Consort Denmark 10 x Great Granddaughter of King Philip III of France
Grandfather: Frederick III King of Denmark 11 x Great Grandson of King Philip III of France
Mother: Anna Sophie Oldenburg 12 x Great Granddaughter of King Philip III of France
Great x 1 Grandfather: George Hanover Duke Brunswick-Lüneburg 
Grandmother: Sophie Amalie Hanover Queen Consort Denmark 11 x Great Granddaughter of King Philip III of France
Great x 4 Grandfather: Landgrave Philip I of Hesse 10 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Landgrave George I of Hesse Darmstadt 8 x Great Grandson of King Philip III of France
Great x 4 Grandmother: Christine of Saxony 7 x Great Granddaughter of King Philip III of France
Great x 2 Grandfather: Landgrave Louis V of Hesse-Darmstadt 9 x Great Grandson of King Philip III of France
Great x 1 Grandmother: Anne Eleonore Hesse Darmstadt Duchess Brunswick-Lüneburg 10 x Great Granddaughter of King Philip III of France