In 1710 William Henry Kerr 4th Marquess Lothian was born to William Kerr 3rd Marquess Lothian 1690-1767 (age 20).
On 28 Feb 1722 [his grandfather] William Kerr 2nd Marquess Lothian 1661-1722 (age 61) died. His son [his father] William Kerr 3rd Marquess Lothian 1690-1767 (age 32) succeeded 3rd Marquess Lothian.
On 07 Nov 1735 William Henry Kerr 4th Marquess Lothian (age 25) and Caroline Darcy Marchioness Lothian were married. She the daughter of Robert Darcy 3rd Earl Holderness 1681-1721 and Frederica Schomberg Countess Holderness and Fitzwalter (age 48). He the son of William Kerr 3rd Marquess Lothian 1690-1767 (age 45). She a great x 3 granddaughter of King James I of England and Ireland and VI of Scotland. 
On 07 Mar 1737 [his son] William John Kerr 5th Marquess Lothian 1737-1815 was born to William Henry Kerr 4th Marquess Lothian (age 27) and [his wife] Caroline Darcy Marchioness Lothian.
On 25 Dec 1759 [his son-in-law] George Lennox (age 22) and [his daughter] Louisa Kerr were married. She the daughter of William Henry Kerr 4th Marquess Lothian 1710-1775 (age 49) and Caroline Darcy Marchioness Lothian. He the son of Charles Lennox 2nd Duke Richmond and Sarah Cadogan Duchess Richmond 1705-1751. He a great grandson of King Charles II of England Scotland and Ireland. She a great x 4 granddaughter of King James I of England and Ireland and VI of Scotland. 
On 15 Jul 1762 [his son] William John Kerr 5th Marquess Lothian 1737-1815 (age 25) and [his daughter-in-law] (age 17) were married. He the son of William Henry Kerr 4th Marquess Lothian 1710-1775 (age 52) and Caroline Darcy Marchioness Lothian. He a great x 4 grandson of King James I of England and Ireland and VI of Scotland. 
On 28 Jul 1767 [his father] William Kerr 3rd Marquess Lothian 1690-1767 (age 77) died. His son William Henry Kerr 4th Marquess Lothian (age 57) succeeded 4th Marquess Lothian. [his wife] Caroline Darcy Marchioness Lothian by marriage Marchioness Lothian.
On 12 Apr 1775 William Henry Kerr 4th Marquess Lothian (age 65) died at Bath, Somerset [Map]. His son [his son] William John Kerr 5th Marquess Lothian 1737-1815 (age 38) succeeded 5th Marquess Lothian. [his daughter-in-law] (age 30) by marriage Marchioness Lothian.
[his daughter] Wilhelmina Emilia Kerr was born to William Henry Kerr 4th Marquess Lothian and Caroline Darcy Marchioness Lothian.
[his daughter] Louisa Kerr was born to William Henry Kerr 4th Marquess Lothian and Caroline Darcy Marchioness Lothian.
Paternal Family Tree: Kerr
Kings Wessex: Great x 21 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 17 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 18 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 8 Grand Son of King Henry VII of England and Ireland
Kings Scotland: Great x 13 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 11 Grand Son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: William Kerr of Ancram
Great x 3 Grandfather: Robert Kerr 1st Earl Ancram
Great x 2 Grandfather: William Kerr 1st Earl Lothian 1605-1675 4 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: William Stanley 6th Earl of Derby
2 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Anne Stanley 3 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Vere Countess Derby
8 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 1 Grandfather: Robert Kerr 1st Marquess Lothian 5 x Great Grand Son of King Henry VII of England and Ireland
GrandFather: William Kerr 2nd Marquess Lothian 1661-1722 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Colin Campbell 6th Earl Argyll 1544-1584 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Archibald Campbell 7th Earl Argyll 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Agnes Keith Countess Moray and Argyll 1530-1588 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Archibald Campbell 1st Marquess Argyll 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Douglas 6th Earl Morton 1540-1606 11 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandmother: Agnes Douglas Countess Argyll 1574-1607 12 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Agnes Leslie Countess Morton 1542-
Great x 1 Grandmother: Jean Campbell 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Robert Douglas Master of Morton 12 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: William Douglas 7th Earl Morton 1582-1648 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Jean Lyon Countess Angus and Morton 1556-1610 7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Margaret Douglas Marchioness Argyll 1610-1678 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: George Keith 5th Earl Marischal 1553-1623 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Keith Countess Morton 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret Home Countess Marischal -1598
Father: William Kerr 3rd Marquess Lothian 1690-1767 7 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Colin Campbell 6th Earl Argyll 1544-1584 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Archibald Campbell 7th Earl Argyll 7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Agnes Keith Countess Moray and Argyll 1530-1588 6 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Archibald Campbell 1st Marquess Argyll 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Douglas 6th Earl Morton 1540-1606 11 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandmother: Agnes Douglas Countess Argyll 1574-1607 12 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Agnes Leslie Countess Morton 1542-
Great x 1 Grandfather: Archibald Campbell 9th Earl Argyll 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Douglas Master of Morton 12 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: William Douglas 7th Earl Morton 1582-1648 8 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Jean Lyon Countess Angus and Morton 1556-1610 7 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Margaret Douglas Marchioness Argyll 1610-1678 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: George Keith 5th Earl Marischal 1553-1623 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Keith Countess Morton 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret Home Countess Marischal -1598
GrandMother: Jean Campbell Marchioness Lothian 6 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: James "The Bonnie Earl" Stewart 2nd Earl Moray
7 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: James Stewart 3rd Earl Moray 1590-1638 3 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Stewart 2nd Countess Moray 1565-1591 2 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandfather: James Stewart 4th Earl Moray 1611-1653 4 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: George Gordon 1st Marquess Huntly 7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Gordon Countess Moray 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Henrietta Stewart Marchioness Huntly 1573-1642
6 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Mary Stewart Countess Argyll 1628-1668 5 x Great Grand Daughter of King Henry VII of England and Ireland
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: Margaret Home Countess Moray 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
William Henry Kerr 4th Marquess Lothian 1710-1775 8 x Great Grand Son of King Henry VII of England and Ireland