Biography of Charles IV King Spain 1748-1819
Paternal Family Tree: Capet
In 1738 [his father] Charles III King Spain (age 21) and [his step-mother] Maria Amalia of Saxony Queen Consort Spain (age 13) were married. He the son of Philippe V King Spain (age 54) and Elisabeth Farnese Queen Consort Spain (age 45). They were fourth cousins. She a great x 4 granddaughter of King James I of England and Ireland and VI of Scotland. 
On 11 Nov 1748 Charles IV King Spain was born to Charles III King Spain (age 32).
On 10 Aug 1759 [his uncle] Ferdinand VI King Spain (age 45) died without issue. His half brother [his father] Charles III King Spain (age 43) succeeded King Spain.
In 1765 Charles IV King Spain (age 16) and Maria Luisa of Parma (age 13) were married. He the son of Charles III King Spain (age 48). They were first cousins. She a great x 4 granddaughter of King Charles I of England, Scotland and Ireland.
1765. Anton Raphael Mengs (age 36). Portrait of Charles IV King Spain (age 16).
On 19 Jul 1769 [his brother-in-law] Ferdinand Duke of Parma (age 18) and Maria Amalia Duchess of Parma (age 23) were married. She the daughter of Francis I Holy Roman Emperor and Maria Theresa Habsburg Spain Holy Roman Empress (age 52). He a great x 4 grandson of King Charles I of England, Scotland and Ireland.
On 14 Oct 1784 [his son] Ferdinand VII King Spain was born to Charles IV King Spain (age 35) and [his wife] Maria Luisa of Parma (age 32). Coefficient of inbreeding 7.66%.
On 29 Mar 1788 [his son] Infante Carlos María Isidro of Spain was born to Charles IV King Spain (age 39) and [his wife] Maria Luisa of Parma (age 36). Coefficient of inbreeding 7.66%.
On 14 Dec 1788 [his father] Charles III King Spain (age 72) died. His son Charles IV King Spain (age 40) succeeded IV King Spain.
1789. Francisco Goya (age 42). Portrait of Charles IV King Spain (age 40).
On 06 Jul 1789 [his daughter] Maria Isabel Queen Consort of the Two Sicilies was born to Charles IV King Spain (age 40) and [his wife] Maria Luisa of Parma (age 37). Coefficient of inbreeding 7.66%.
On 10 Mar 1794 [his son] Francisco de Paula of Spain was born to Charles IV King Spain (age 45) and [his wife] Maria Luisa of Parma (age 42). Coefficient of inbreeding 7.66%.
On 09 Oct 1802 [his brother-in-law] Ferdinand Duke of Parma (age 51) died.
On 19 Mar 1808 Charles IV King Spain (age 59) abdicated as King Spain. [his son] Ferdinand VII King Spain (age 23) succeeded VII King Spain.
On 02 Jan 1819 [his wife] Maria Luisa of Parma (age 67) died.
On 20 Jan 1819 Charles IV King Spain (age 70) died. He had abdicated eleven years before in favour of his son [his son] Ferdinand VII King Spain (age 34).
Kings Wessex: Great x 21 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 20 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 26 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 21 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 12 Grand Son of King Edward III of England
Kings Scotland: Great x 19 Grand Son of Malcolm III King Scotland
Kings Franks: Great x 17 Grand Son of Louis VII King Franks
Kings France: Great x 2 Grand Son of Louis "Sun King" XIV King France
Great x 4 Grandfather: Henry IV King France 7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Louis XIII King France 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Marie de Medici Queen Consort France 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Louis "Sun King" XIV King France 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Philip III King Spain 6 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne of Austria Spain Queen Consort France 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret of Austria Queen Consort Spain 6 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Louis "Le Grand Dauphin" Bourbon Duke Burgundy 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Philip III King Spain 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Philip IV King Spain 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Margaret of Austria Queen Consort Spain 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Maria Theresa of Spain Queen Consort France 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry IV King France 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Elisabeth Bourbon Queen Consort Spain 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Marie de Medici Queen Consort France 6 x Great Grand Daughter of King Edward III of England
GrandFather: Philippe V King Spain 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Wittelsbach V Duke Bavaria
6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Maximilian "The Great" Wittelsbach I Duke Bavaria I Elector Bavaria 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Renata Lorraine Duchess Bavaria 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Ferdinand Maria Wittelsbach 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Ferdinand of Spain II Holy Roman Emperor 6 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Maria Anna Habsburg Spain Duchess Bavaria 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Maria Anna Wittelsbach Holy Roman Empress 7 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Maria Anna Victoria Wittelsbach Duchess Burgundy 9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Henriette Adelaide Savoy
Father: Charles III King Spain 11 x Great Grand Son of King Edward III of England
GrandMother: Elisabeth Farnese Queen Consort Spain
Charles IV King Spain 12 x Great Grand Son of King Edward III of England