Biography of Gustav III King Sweden 1746-1792
Paternal Family Tree: Holstein-Gottorp
Maternal Family Tree: Eleonore Esmier D'Olbreuse Duchess Brunswick-Lüneburg
On 24 Jan 1746 Gustav III King Sweden was born to Adolph Frederick King Sweden (age 35) and Louisa Ulrika of Prussia Queen Consort of Sweden (age 25). He a great grandson of King George I of Great Britain and Ireland.
On 01 Oct 1766 Gustav III King Sweden (age 20) and Queen Sophia of Sweden (age 20) were married. She the daughter of Frederick V King Denmark and Norway and Louise Hanover Queen Consort Denmark and Norway. He the son of Adolph Frederick King Sweden (age 56) and Louisa Ulrika of Prussia Queen Consort of Sweden (age 46). They were second cousins. He a great grandson of King George I of Great Britain and Ireland. She a granddaughter of King George II of Great Britain and Ireland. 
1771. Alexander Roslin (age 52). Portrait of Gustav III King Sweden (age 24) and his brothers [his brother] Charles XIII King Sweden (age 22) and [his brother] Frederick Adolph Duke of Östergötland (age 20).
Charles XIII King Sweden: On 07 Oct 1748 he was born to Adolph Frederick King Sweden and Louisa Ulrika of Prussia Queen Consort of Sweden.. He a great grandson of King George I of Great Britain and Ireland. On 29 Mar 1792 Gustav III King Sweden was assassinated. Charles XIII King Sweden succeeded King Sweden. On 05 Feb 1818 Charles XIII King Sweden died.
Frederick Adolph Duke of Östergötland: On 18 Jul 1750 he was born to Adolph Frederick King Sweden and Louisa Ulrika of Prussia Queen Consort of Sweden.. He a great grandson of King George I of Great Britain and Ireland. On 12 Dec 1803 Frederick Adolph Duke of Östergötland died.
On 12 May 1771 [his father] Adolph Frederick King Sweden (age 60) died in Stockholm apparently after having consumed a large meal, consisting of lobster, caviar, sauerkraut, kippers and champagne, topped off with 14 servings of his favourite dessert: hetvägg, made of semla pastries served in bowls of hot milk.
Gustav III King Sweden (age 25) succeeded King Sweden. [his wife] Queen Sophia of Sweden (age 24) by marriage Queen Sweden.
On 29 May 1772 Gustav III King Sweden (age 26) and [his wife] Queen Sophia of Sweden (age 25) were crowned King and Queen of Sweden.
On 01 Nov 1778 [his son] King Gustav IV of Sweden was born to Gustav III King Sweden (age 32) and [his wife] Queen Sophia of Sweden (age 32). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 2.73%.
On 25 Aug 1782 [his son] Prince Carl Gustav Duke of Småland was born to Gustav III King Sweden (age 36) and [his wife] Queen Sophia of Sweden (age 36). He a great grandson of King George II of Great Britain and Ireland. Coefficient of inbreeding 2.73%.
On 29 Mar 1792 Gustav III King Sweden (age 46) was assassinated. [his brother] Charles XIII King Sweden (age 43) succeeded King Sweden.
On 21 Aug 1813 [his wife] Queen Sophia of Sweden (age 67) died.
Kings Wessex: Great x 21 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 England: Great Grand Son of King George I of Great Britain and Ireland
Kings Scotland: Great x 14 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 17 Grand Son of Louis VII King Franks
Kings France: Great x 11 Grand Son of Charles "Beloved Mad" VI King France
Great x 2 Grandfather: Frederick III Duke of Holstein Gottorp
Great x 1 Grandfather: Christian Albert Duke of Holstein Gottorp 14 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Christian Wettin I Elector Saxony 11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: John George Wettin Elector Saxony 12 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Marie Elisabeth of Saxony Duchess Holstein Gottorp 13 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandFather: Christian August of Holstein Gottorp Prince Eutin 15 x Great Grand Son of King Henry "Curtmantle" II of England
Father: Adolph Frederick King Sweden 16 x Great Grand Son of King Henry "Curtmantle" II of England
Gustav III King Sweden Great Grand Son of King George I of Great Britain and Ireland
Great x 4 Grandfather: John Sigismund Hohenzollern 13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: George William Hohenzollern 12 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Anna Hohenzollern 11 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Frederick William "Great Elector" Hohenzollern Elector Brandenburg 11 x Great Grand Son of King Henry III of England
Great x 4 Grandfather: Frederick IV Elector Palatine
11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Elisabeth Charlotte Palatinate Simmern
10 x Great Grand Daughter of King Henry III of England
Great x 4 Grandmother: Electress Louise Juliana of the Palatine Rhine 9 x Great Grand Daughter of King Henry III of England
Great x 1 Grandfather: Frederick I King Prussia 12 x Great Grand Son of King Henry III of England
Great x 4 Grandfather: William "The Silent" Orange Nassau I Prince Orange
Great x 3 Grandfather: Frederick Henry Orange Nassau II Prince Orange
Great x 4 Grandmother: Louise Coligny Princess Orange
Great x 2 Grandmother: Luise Henriette Orange Nassau
Great x 3 Grandmother: Amalia Solms Braunfels Princess Orange
GrandFather: Frederick William "Soldier King" I King Prussia 2 x Great Grand Son of King James I of England and Ireland and VI of Scotland
Great x 3 Grandfather: George Hanover Duke Brunswick-Lüneburg
Great x 2 Grandfather: Ernest Augustus Hanover Elector Brunswick-Lüneburg 13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Landgrave Louis V of Hesse-Darmstadt 11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anne Eleonore Hesse Darmstadt Duchess Brunswick-Lüneburg 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Sophia Charlotte Hanover Queen Consort Prussia Great Grand Daughter of King James I of England and Ireland and VI of Scotland
Great x 4 Grandfather: Frederick IV Elector Palatine 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Frederick Palatinate Simmern V Elector Palatine Rhine 10 x Great Grand Son of King Henry III of England
Great x 4 Grandmother: Electress Louise Juliana of the Palatine Rhine 9 x Great Grand Daughter of King Henry III of England
Great x 2 Grandmother: Sophia Palatinate Simmern Grand Daughter of King James I of England and Ireland and VI of Scotland
Great x 4 Grandfather: King James I of England and Ireland and VI of Scotland 2 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Princess Elizabeth Stewart Queen Bohemia
Daughter of King James I of England and Ireland and VI of Scotland
Great x 4 Grandmother: Anne of Denmark Queen Consort Scotland England and Ireland 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Mother: Louisa Ulrika of Prussia Queen Consort of Sweden Grand Daughter of King George I of Great Britain and Ireland
Great x 3 Grandfather: George Hanover Duke Brunswick-Lüneburg
Great x 2 Grandfather: Ernest Augustus Hanover Elector Brunswick-Lüneburg 13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Landgrave Louis V of Hesse-Darmstadt 11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anne Eleonore Hesse Darmstadt Duchess Brunswick-Lüneburg 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandfather: King George I of Great Britain and Ireland Great Grand Son of King James I of England and Ireland and VI of Scotland
Great x 4 Grandfather: Frederick IV Elector Palatine 11 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Frederick Palatinate Simmern V Elector Palatine Rhine 10 x Great Grand Son of King Henry III of England
Great x 4 Grandmother: Electress Louise Juliana of the Palatine Rhine 9 x Great Grand Daughter of King Henry III of England
Great x 2 Grandmother: Sophia Palatinate Simmern Grand Daughter of King James I of England and Ireland and VI of Scotland
Great x 4 Grandfather: King James I of England and Ireland and VI of Scotland 2 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Princess Elizabeth Stewart Queen Bohemia Daughter of King James I of England and Ireland and VI of Scotland
Great x 4 Grandmother: Anne of Denmark Queen Consort Scotland England and Ireland 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
GrandMother: Sophia Dorothea Hanover Queen Consort Prussia Daughter of King George I of Great Britain and Ireland
Great x 3 Grandfather: George Hanover Duke Brunswick-Lüneburg
Great x 2 Grandfather: George Wilhelm Hanover Duke Brunswick-Lüneburg 13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Landgrave Louis V of Hesse-Darmstadt 11 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Anne Eleonore Hesse Darmstadt Duchess Brunswick-Lüneburg 12 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Sophia Dorothea Hanover Queen Consort England 14 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Eleonore Esmier D'Olbreuse Duchess Brunswick-Lüneburg