Before 05 Dec 1758 [his father] Charles Beauclerk (age 32) and [his mother] Elizabeth Jones were married. He a great grandson of King Charles II of England Scotland and Ireland. 
On 05 Dec 1758 George Beauclerk 4th Duke St Albans was born to Charles Beauclerk (age 32) and Elizabeth Jones. He a great x 2 grandson of King Charles II of England Scotland and Ireland.
On 05 Dec 1768 [his mother] Elizabeth Jones died.
On 30 Aug 1775 [his father] Charles Beauclerk (age 49) died.
On 01 Feb 1786 George Beauclerk 3rd Duke St Albans 1730-1786 (age 55) died at Brussels. His first cousin once removed George Beauclerk 4th Duke St Albans (age 27) succeeded 4th Duke St Albans, 4th Earl Burford, 4th Baron Heddington.
On 10 Feb 1787 George Beauclerk 4th Duke St Albans (age 28) died unmarried and without issue. His first cousin once removed Aubrey Beauclerk 5th Duke St Albans 1740-1802 (age 46) succeeded 5th Duke St Albans, 5th Earl Burford, 5th Baron Heddington. Catherine Ponsonby Duchess St Albans 1742-1789 (age 44) by marriage Duchess St Albans.
Paternal Family Tree: Stewart
Descendants Family Trees:
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 1100-1170
Kings Seisyllwg: Great x 23 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 19 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 2 Grand Son of King Charles II of England Scotland 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 4 Grand Son of Henry IV King France
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 Grandfather: King Charles I of England, Scotland and Ireland Son 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
Great x 2 Grandfather: King Charles II of England Scotland and Ireland Son of King Charles I of England, Scotland and Ireland
Great x 4 Grandfather: Henry IV King France
7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Henrietta Maria Bourbon Queen Consort England 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
Great x 1 Grandfather: Charles Beauclerk 1st Duke St Albans Son of King Charles II of England Scotland and Ireland
Great x 2 Grandmother: Nell Gwyn
GrandFather: William Beauclerk Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Hugh Vere
7 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Robert de Vere 19th Earl of Oxford 1575-1632 8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Eleanor Walsh
Great x 2 Grandfather: Aubrey de Vere 20th Earl of Oxford 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 1 Grandmother: Diana Vere Duchess St Albans 1679-1742 10 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 3 Grandfather: George Kirke
Great x 2 Grandmother: Diana Kirke Countess of Oxford
Father: Charles Beauclerk Great Grand Son of King Charles II of England Scotland and Ireland
Great x 2 Grandfather: John Werden 1st Baronet
Great x 1 Grandfather: John Werden 2nd Baronet
GrandMother: Charlotte Werden
George Beauclerk 4th Duke St Albans 1758-1787 2 x Great Grand Son of King Charles II of England Scotland and Ireland
Mother: Elizabeth Jones