In 1715 [his grandfather] Charles Hay 3rd Marquess Teviotdale 1670-1715 (age 45) died. His son [his father] John Hay 4th Marquess Tweedale 1695-1762 (age 20) succeeded 4th Marquess Tweedale, 5th Earl Tweeddale.
In 1748 [his father] John Hay 4th Marquess Tweedale 1695-1762 (age 53) and [his mother] Frances Carteret Marchioness Teviotdale 1718- (age 29) were married. She by marriage Marchioness Teviotdale. The difference in their ages was 23 years. She the daughter of John Carteret 2nd Earl Granville (age 57) and Frances Worsley Countess Granville 1693-1743. He the son of Charles Hay 3rd Marquess Teviotdale 1670-1715.
In 1758 George Hay 5th Marquess Tweedale was born to John Hay 4th Marquess Tweedale 1695-1762 (age 63) and Frances Carteret Marchioness Teviotdale 1718- (age 39).
On 09 Dec 1762 [his father] John Hay 4th Marquess Tweedale 1695-1762 (age 67) died. His son George Hay 5th Marquess Tweedale (age 4) succeeded 5th Marquess Tweedale, 6th Earl Tweeddale.
In 1770 George Hay 5th Marquess Tweedale (age 12) died. His uncle [his uncle] George Hay 6th Marquess Tweedale 1700-1787 (age 70) succeeded 6th Marquess Tweedale, 7th Earl Tweeddale.
Paternal Family Tree: Hay of Locherworth
Maternal Family Tree: Ursula St Barbe 1532-1602
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 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 1047-1132
Kings England: Great x 9 Grand Son of King Henry VII of England and Ireland
Kings Scotland: Great x 14 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 18 Grand Son of Louis VII King Franks
Kings France: Great x 12 Grand Son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: James Hay 12 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: John Hay 1st Earl Tweeddale 13 x Great Grand Son of King John "Lackland" of England
Great x 2 Grandfather: John Hay 1st Marquess Teviotdale 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Alexander Seton 1st Earl Dunfermline 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Jean Seton Countess Tweeddale 1606-1625 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Grizel Leslie Countess Dunfermline -1606 7 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: John Hay 2nd Marquess Teviotdale 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Walter "Bold Buccleuch" Scott
Great x 3 Grandfather: 14 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandmother: Mary Kerr 13 x Great Grand Daughter of King John "Lackland" of England
Great x 2 Grandmother: 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Francis Hay 9th Earl Erroll 6 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Mary Hay Countess Buccleuch 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Douglas Countess Erroll 12 x Great Grand Daughter of King John "Lackland" of England
GrandFather: Charles Hay 3rd Marquess Teviotdale 1670-1715 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Maitland 1st Lord Maitland of Thirlestane
Great x 3 Grandfather: John Maitland 1st Earl Lauderdale -1645
Great x 2 Grandfather: John Maitland 1st Duke Lauderdale
Great x 1 Grandmother: Mary Maitland Marchioness Teviotdale 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Alexander Home 5th Lord Home
Great x 3 Grandfather: Alexander Home 1st Earl of Home 1566-1619
Great x 2 Grandmother: Anne Home 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Edward Dudley 5th Baron Dudley 6 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Mary Dudley Countess Home 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Theodosia Harrington Baroness Dudley
Father: John Hay 4th Marquess Tweedale 1695-1762 11 x Great Grand Son of King Edward III of England
George Hay 5th Marquess Tweedale 1758-1770 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Elias Carteret 11 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: George Carteret 1st Baronet 12 x Great Grand Son of King Henry III of England
Great x 2 Grandfather: Philip Carteret 13 x Great Grand Son of King Henry III of England
Great x 1 Grandfather: George Carteret 1st Baron Carteret 12 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Sidney Montagu 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Edward Montagu 1st Earl Sandwich 10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Paulina Pepys
Great x 2 Grandmother: Jemima Montagu 11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: John Crew 1st Baron Crew
Great x 3 Grandmother: Jemima Crew Countess Sandwich 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Jemima Waldegrave Baroness Crew 11 x Great Grand Daughter of King Edward "Longshanks" I of England
GrandFather: John Carteret 2nd Earl Granville 13 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Bernard Grenvlle
Great x 3 Grandfather: Bevil Grenville
Great x 2 Grandfather: John Granville 1st Earl Bath
Great x 4 Grandfather: George Smith of Exeter
Great x 3 Grandmother: Grace Smith
Great x 4 Grandmother: Grave Viell
Great x 1 Grandmother: Jane Granville Baroness Gower 1654-1744
Great x 3 Grandfather: Peter Wyche Ambassador
Great x 2 Grandmother: Jane Wyche
Mother: Frances Carteret Marchioness Teviotdale 1718- 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Richard Worsley 1st Baronet
Great x 3 Grandfather: Henry Worsley 2nd Baronet 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Frances Neville 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Robert Worsley 3rd Baronet 8 x Great Grand Son of King Edward III of England
Great x 1 Grandfather: Robert Worsley 4th Baronet 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Philip Herbert 4th Earl Pembroke 1st Earl Montgomery 7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: James Herbert 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Susan Vere Countess Montgomery 8 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Mary Herbert Countess Gainsborough -1693 9 x Great Grand Daughter of King Edward III of England
GrandMother: Frances Worsley Countess Granville 1693-1743 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Thomas Thynne
Great x 3 Grandfather: Henry Thynne 1st Baronet 9 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Catherine Howard 8 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Thomas Thynne 1st Viscount Weymouth 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Coventry 1st Baron Coventry
Great x 3 Grandmother: Mary Coventry Lady Thynne Kempsford
Great x 4 Grandmother: Elizabeth Aldersley Baroness Coventry
Great x 1 Grandmother: Frances Thynne 6 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Thomas Finch 2nd Earl Winchilsea 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Heneage Finch 3rd Earl Winchilsea 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Cecily Wentworth Countess Winchelsea 1593-1642 7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Frances Finch Viscountess Weymouth 5 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Seymour 2nd Duke Somerset 3 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Mary Seymour Countess Winchelsea 1637-1673 4 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Frances Devereux Duchess of Somerset 8 x Great Grand Daughter of King Edward III of England