Paternal Family Tree: Hill
Maternal Family Tree: Lucy Boyle Viscountess Torrington
On 25th July 1870 [his father] Arthur Hill 5th Marquess Downshire [aged 25] and [his mother] Georgiana Elizabeth Balfour were married. He the son of [his grandfather] Arthur Hill 4th Marquess Downshire and [his grandmother] Caroline Stapleton-Cotton Marchioness Downshire [aged 55].
On 2nd July 1871 Arthur Hill 6th Marquess of Downshire was born to Arthur Hill 5th Marquess Downshire [aged 26] and Georgiana Elizabeth Balfour.
YBcJrZjKOn 31st March 1874 [his father] Arthur Hill 5th Marquess Downshire [aged 29] died. His son Arthur [aged 2] succeeded 6th Marquess Downshire.
On 22nd June 1893 Arthur Hill 6th Marquess of Downshire [aged 21] and Katherine Mary "Kitty" Hare Marchioness Downshire [aged 20] were married. She by marriage Marchioness Downshire. He the son of Arthur Hill 5th Marquess Downshire and Georgiana Elizabeth Balfour.
Before 19th November 1902 Arthur Hill 6th Marquess of Downshire [aged 31] and Katherine Mary "Kitty" Hare Marchioness Downshire [aged 30] were divorced as a consequence of her affair with Joseph Frederick Laycock [aged 35]. Laycock was also having an affair with Frances Evelyn "Daisy" Maynard Countess Warwick [aged 40] with whom he possibly fathered two children: Maynard Greville [aged 4] and Mercy Greville.
On 19th November 1902 Joseph Frederick Laycock [aged 35] and Katherine Mary "Kitty" Hare Marchioness Downshire [aged 30] were married.
Before 29th May 1918 Arthur Hill 6th Marquess of Downshire [aged 46] and Evelyn Grace Foster Marchioness Downshire were married. She by marriage Marchioness Downshire. He the son of Arthur Hill 5th Marquess Downshire and Georgiana Elizabeth Balfour.
On 29th May 1918 Arthur Hill 6th Marquess of Downshire [aged 46] died.
On 30th December 1942 Evelyn Grace Foster Marchioness Downshire died.
On 2nd February 1959 [his former wife] Katherine Mary "Kitty" Hare Marchioness Downshire [aged 86] died.
Kings Wessex: Great x 23 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 24 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 Godwinson: Great x 24 Grand Son of King Harold II of England
Kings England: Great x 12 Grand Son of King Henry VII of England and Ireland
Kings Scotland: Great x 11 Grand Son of King James V of Scotland
Kings France: Great x 15 Grand Son of Charles "Beloved Mad" VI King France
Kings Duke Aquitaine: Great x 27 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 20 Grand Son of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Trevor Hill 1st Viscount Hillsborough
Great x 3 Grandfather: Wills Hill 1st Marquess Downshire
Great x 2 Grandfather: Arthur Hill 2nd Marquess Downshire 10 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Robert Fitzgerald 19th Earl of Kildare 
8 x Great Grandson of King Edward III of England
Great x 3 Grandmother: Margaretta Fitzgerald 9 x Great Granddaughter of King Edward III of England
Great x 4 Grandmother: Mary O'Brien Countess Kildare 11 x Great Granddaughter of King Edward III of England
Great x 1 Grandfather: Arthur Blundell Sandys Trumbull Hill 3rd Marquess Downshire 11 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Samuel Sandys 1st Baron Sandes 11 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Martin Sandes 12 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Letitia Tipping
Great x 2 Grandmother: Mary Sandys Marchioness Downshire 13 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: William Trumbull
Great x 3 Grandmother: Mary Trumbull
Grandfather: Arthur Hill 4th Marquess Downshire 12 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Other Windsor 3rd Earl Plymouth 12 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Other Lewis Windsor 4th Earl Plymouth 13 x Great Grandson of King Edward III of England
Great x 2 Grandfather: Other Windsor 5th Earl Plymouth 12 x Great Grandson of King Edward III of England
Great x 4 Grandfather: Thomas Archer 1st Baron Archer 15 x Great Grandson of King Edward I of England
Great x 3 Grandmother: Catherine Archer Countess Plymouth 11 x Great Granddaughter of King Edward III of England
Great x 4 Grandmother: Catherine Tipping Baroness Archer 10 x Great Granddaughter of King Edward III of England
Great x 1 Grandmother: Maria Windsor Marchioness Downshire 13 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: Thomas Archer 1st Baron Archer 15 x Great Grandson of King Edward I of England
Great x 3 Grandfather: Andrew Archer 2nd Baron Archer 11 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Catherine Tipping Baroness Archer 10 x Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Sarah Archer Countess Plymouth and Amherst 12 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: James West 
Great x 3 Grandmother: Sarah West Baroness Archer
Father: Arthur Hill 5th Marquess Downshire 11 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: Thomas Cotton 2nd Baronet 6 x Great Grandson of King Henry VII of England and Ireland
Great x 3 Grandfather: Lynch Salusbury Cotton 4th Baronet 7 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandmother: Philadelphia Lynch Lady Cotton
Great x 2 Grandfather: Robert Salusbury Cotton 5th Baronet 8 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: Rowland Cotton
Great x 3 Grandmother: Elizabeth Abigail Cotton Lady Cotton
Great x 4 Grandmother: Mary Sleigh
Great x 1 Grandfather: Stapleton Cotton 1st Viscount Combermere 9 x Great Grandson of King Henry VII of England and Ireland
Grandmother: Caroline Stapleton-Cotton Marchioness Downshire 10 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Algernon Greville 
10 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Fulke Greville 11 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Mary Somerset 
11 x Great Granddaughter of King Edward III of England
Great x 2 Grandfather: William Fulke Greville 12 x Great Grandson of King Edward III of England
Great x 1 Grandmother: Caroline Greville Viscountess Comberemere 13 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: Thomas Southwell 1st Baron Southwell 
14 x Great Grandson of King Edward I of England
Great x 3 Grandfather: Richard Southwell 11 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Meliora Coningsby 10 x Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Meliora Southwell 12 x Great Granddaughter of King Edward III of England
Arthur Hill 6th Marquess of Downshire 11 x Great Grandson of King James V of Scotland
Great x 2 Grandfather: John Balfour 5th of Balbirnie
Great x 1 Grandfather: Robert Balfour 6th of Balbirnie
Grandfather: Colonel John Balfour 7th of Balbirnie
Mother: Georgiana Elizabeth Balfour 10 x Great Granddaughter of King James V of Scotland
Great x 4 Grandfather: John Campbell 5 x Great Grandson of King James V of Scotland
Great x 3 Grandfather: Pryse Campbell 6 x Great Grandson of King James V of Scotland
Great x 4 Grandmother: Mary Pryse
Great x 2 Grandfather: John Campbell 1st Baron Cawdor 7 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: Edmund Bacon 6th Baronet 
15 x Great Grandson of King Edward I of England
Great x 3 Grandmother: Sarah Bacon 15 x Great Granddaughter of King Henry III of England
Great x 4 Grandmother: Mary Kemp Lady Bacon 14 x Great Granddaughter of King Henry III of England
Great x 1 Grandfather: John Campbell 1st Earl Cawdor 8 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: Henry Howard 4th Earl Carlisle 
10 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Frederick Howard 5th Earl Carlisle 11 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Isabella Byron Countess Carlisle 
12 x Great Granddaughter of King Edward I of England
Great x 2 Grandmother: Isabella Caroline Howard Baroness Cawdor 9 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grandson of King Edward III of England
Great x 3 Grandmother: Margaret Caroline Leveson-Gower Countess Carlisle 8 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Louisa Egerton Countess Gower 
7 x Great Granddaughter of King Henry VII of England and Ireland
Grandmother: Georgiana Campbell 9 x Great Granddaughter of King James V of Scotland
Great x 4 Grandfather: Thomas Thynne 2nd Viscount Weymouth 
12 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Thomas Thynne 1st Marquess of Bath 9 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandmother: Louisa Carteret Viscountess Weymouth 
8 x Great Granddaughter of King Henry VII of England and Ireland
Great x 2 Grandfather: Thomas Thynne 2nd Marquess of Bath 10 x Great Grandson of King Edward IV of England
Great x 4 Grandfather: William Bentinck 2nd Duke Portland 
11 x Great Grandson of King Henry IV of England
Great x 3 Grandmother: Elizabeth Bentinck Marchioness Bath 9 x Great Granddaughter of King Edward IV of England
Great x 4 Grandmother: Margaret Cavendish Harley 2nd Duchess Portland 8 x Great Granddaughter of King Edward IV of England
Great x 1 Grandmother: Elizabeth Thynne Countess Cawdor 11 x Great Granddaughter of King Edward IV of England
Great x 4 Grandfather: George Byng 3rd Viscount Torrington 
Great x 3 Grandfather: George Byng 4th Viscount Torrington
Great x 2 Grandmother: Isabella Elizabeth Byng Marchioness Bath 10 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: John Boyle 5th Earl Cork 
8 x Great Grandson of King Henry VII of England and Ireland
Great x 3 Grandmother: Lucy Boyle Viscountess Torrington 9 x Great Granddaughter of King Henry VII of England and Ireland