Paternal Family Tree: Smithson
Maternal Family Tree: Jean Nicholson -1778
On 18th November 1911 [her father] Alan Ian Percy 8th Duke Northumberland [aged 31] and [her mother] Helen Gordon-Lennox Duchess Northumberland [aged 24] were married. She the daughter of [her grandfather] Charles Gordon-Lennox 7th Duke Richmond [aged 65] and [her grandmother] Isabel Sophie Craven. He the son of Henry George Percy 7th Duke Northumberland [aged 65] and Edith Campbell Duchess Northumberland [aged 62]. They were fifth cousins.
On 23rd November 1917 Diana Evelyn Percy Duchess of Sutherland was born to Alan Ian Percy 8th Duke Northumberland [aged 37] and Helen Gordon-Lennox Duchess Northumberland [aged 30].
On 14th May 1918 [her grandfather] Henry George Percy 7th Duke Northumberland [aged 71] died. He was buried at the Church of St Mary the Virgin, Lesbury [Map]. His son [her father] Alan [aged 38] succeeded 8th Duke Northumberland, 5th Earl Beverley, 11th Baronet Smithson of Stanwick in Yorkshire. [her mother] Helen Gordon-Lennox Duchess Northumberland [aged 31] by marriage Duchess Northumberland.
After June 1924. Philip de László [aged 55]. Portrait of Diana Evelyn Percy [aged 6] and [her brother] Richard Charles Percy [aged 3].
The [her mother] Duchess of Northumberland [aged 37] commissioned this double portrait of her children Diana and Richard at the end of June 1924, enquiring if de László could paint them almost immediately: "I wonder if you would be able to do a picture of Diana & Richard within the next fortnight or three weeks as they will be staying in town from next Wed 25th for a short time & I could arrange for it then if it would be quite convenient to you to paint them then. I thought something after the same idea as the lovely portrait you did of Betty two years ago, either together or separate."
Richard Charles Percy: On 11th February 1921 he was born to Alan Ian Percy 8th Duke Northumberland and Helen Gordon-Lennox Duchess Northumberland. On 20th December 1989 Richard Charles Percy died.
1928. Philip de László [aged 58]. Portrait of Diana Evelyn Percy Duchess of Sutherland [aged 10].
On 23rd August 1930 [her father] Alan Ian Percy 8th Duke Northumberland [aged 50] died. His son [her brother] Henry [aged 18] succeeded 9th Duke Northumberland, 6th Earl Beverley, 12th Baronet Smithson of Stanwick in Yorkshire.
On 29th April 1939 John Sutherland Egerton 6th Duke Sutherland [aged 23] and Diana Evelyn Percy Duchess of Sutherland [aged 21] were married. She the daughter of Alan Ian Percy 8th Duke Northumberland and Helen Gordon-Lennox Duchess Northumberland [aged 52]. He the son of John Francis Granville Scrope Egerton 4th Earl Ellesmere [aged 66] and Violet Lambton Countess Ellesmere [aged 58]. They were fourth cousins.
On 21st May 1940 Henry George Alan Percy 9th Duke Northumberland [aged 27] was killed in action at Pecq in Belgium, serving with the 3rd Battalion Grenadier Guards, in a brave charge against overwhelming odds that was described as suicidal. His body is interred in the Esquelmes War Cemetery. His brother Hugh [aged 26] succeeded 10th Duke Northumberland, 7th Earl Beverley, 13th Baronet Smithson of Stanwick in Yorkshire.
On 24th August 1944 [her father-in-law] John Francis Granville Scrope Egerton 4th Earl Ellesmere [aged 71] died. His son [her husband] John [aged 29] succeeded 5th Earl Ellesmere, 5th Viscount Brackley. Diana Evelyn Percy [aged 26] by marriage Countess Ellesmere.
Henrici Quinti, Angliæ Regis, Gesta, is a first-hand account of the Agincourt Campaign, and subsequent events to his death in 1422. The author of the first part was a Chaplain in King Henry's retinue who was present from King Henry's departure at Southampton in 1415, at the siege of Harfleur, the battle of Agincourt, and the celebrations on King Henry's return to London. The second part, by another writer, relates the events that took place including the negotiations at Troye, Henry's marriage and his death in 1422.
Available at Amazon in eBook and Paperback format.
On 12th June 1946 [her brother] Hugh Algernon Percy 10th Duke Northumberland [aged 32] and [her sister-in-law] Elizabeth Diana Montagu-Douglas-Scott Duchess Northumberland [aged 24] were married. She by marriage Duchess Northumberland. She the daughter of Walter Scott 8th Duke Buccleuch 10th Duke Queensberry [aged 51] and Vreda Lascelles Duchess Buccleuch and Queensbury [aged 45]. He the son of [her father] Alan Ian Percy 8th Duke Northumberland and [her mother] Helen Gordon-Lennox Duchess Northumberland [aged 59]. They were fourth cousins.
1954. Norman Parkinson. Photograph of Diana Evelyn Percy Duchess of Sutherland [aged 36].
On 8th May 1957 James Stewart-Murray 9th Duke of Atholl [aged 77] died unmarried. His fourth cousin Iain [aged 25] succeeded 10th Duke Atholl, 11th Marquess Atholl, 12th Earl Atholl, 13th Earl Tullibardine, 6th Baron Glenlyon of Glenlyon in Perthshire. Baron Strange Knockin abeyant. His fourth cousin once removed [her brother] Hugh [aged 43] succeeded 9th Baron Percy.
On 1st February 1963 George Sutherland-Leveson-Gower 5th Duke of Sutherland [aged 74] died. His third cousin once removed [her husband] John [aged 47] succeeded 6th Duke Sutherland, 6th Marquess Stafford, 8th Earl Gower, 9th Baron Gower, 13th Baronet Gower of Stittenham in Yorkshire. Diana Evelyn Percy [aged 45] by marriage Duchess Sutherland.His niece Elizabeth [aged 41] succeeded 24th Countess Sutherland.
On 13th June 1965 [her mother] Helen Gordon-Lennox Duchess Northumberland [aged 78] died.
On 16th June 1978 Diana Evelyn Percy Duchess of Sutherland [aged 60] died.
On 21st September 2000 [her former husband] John Sutherland Egerton 6th Duke Sutherland [aged 85] died. His first cousin once removed Francis [aged 60] succeeded 7th Duke Sutherland, 7th Marquess Stafford, 6th Earl Ellesmere, 9th Earl Gower, 6th Viscount Brackley, 10th Baron Gower, 14th Baronet Gower of Stittenham in Yorkshire.
Kings Wessex: Great x 25 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 22 Grand Daughter of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 28 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 23 Grand Daughter of Maredudd ap Bleddyn King Powys
Kings Godwinson: Great x 25 Grand Daughter of King Harold II of England
Kings England: Great x 7 Grand Daughter of King Charles II of England Scotland and Ireland
Kings Scotland: Great x 7 Grand Daughter of King Charles II of England Scotland and Ireland
Kings France: Great x 9 Grand Daughter of Henry IV King France
Kings Duke Aquitaine: Great x 30 Grand Daughter of Ranulf I Duke Aquitaine
Kings Spain: Great x 14 Grand Daughter of John II King Aragon
Great x 4 Grandfather: Hugh Percy 1st Duke Northumberland 
Great x 3 Grandfather: Algernon Percy 1st Earl Beverley 8 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Seymour Duchess Northumberland 
7 x Great Granddaughter of King Henry VII of England and Ireland
Great x 2 Grandfather: George Percy 5th Duke Northumberland 9 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: Peter Burrell
Great x 3 Grandmother: Isabella Susan Burrell Countess Beverley
Great x 4 Grandmother: Elizabeth Lewis 
Great x 1 Grandfather: Algernon George Percy 6th Duke Northumberland 9 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: John Stuart 3rd Earl Bute 
6 x Great Grandson of King James V of Scotland
Great x 3 Grandfather: James Archibald Stuart-Wortley-Mackenzie 7 x Great Grandson of King James V of Scotland
Great x 4 Grandmother: Mary Wortley-Montagu Countess Bute 
10 x Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Louisa Harcourt Stuart-Wortley-Mackenzie 8 x Great Granddaughter of King James V of Scotland
Great x 4 Grandfather: David Cunynghame 3rd Baronet
Great x 3 Grandmother: Margaret Cunynghame
Grandfather: Henry George Percy 7th Duke Northumberland 10 x Great Grandson of King James V of Scotland
Great x 2 Grandfather: Henry Drummond
Great x 1 Grandmother: Louisa Drummond Duchess Northumberland 15 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: Archbishop Robert Hay-Drummond 
12 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Robert Hay-Drummond 10th Earl Kinnoul 13 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Henrietta d'Auriol
Great x 2 Grandmother: Henrietta Hay-Drummond 14 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: Thomas Harley 12 x Great Grandson of King Edward III of England
Great x 3 Grandmother: Sarah Harley Countess Kinnoul 13 x Great Granddaughter of King Edward III of England
Great x 4 Grandmother: Anne Bangham
father: Alan Ian Percy 8th Duke Northumberland 10 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: John Campbell 4th Duke Argyll 5 x Great Grandson of King James V of Scotland
Great x 3 Grandfather: John Campbell 5th Duke Argyll 6 x Great Grandson of King James V of Scotland
Great x 4 Grandmother: Mary Drummond Bellenden 5 x Great Granddaughter of King James IV of Scotland
Great x 2 Grandfather: John Douglas Edward Henry Campbell 7th Duke Argyll 7 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: John Barnaby Gunning
Great x 3 Grandmother: Elizabeth Gunning Duchess Hamilton and Argyll
Great x 4 Grandmother: Bridget Bourke
Great x 1 Grandfather: George Douglas Campbell 8th Duke Argyll 8 x Great Grandson of King James V of Scotland
Great x 3 Grandfather: John Glassel
Great x 2 Grandmother: Joan Glassel
Grandmother: Edith Campbell Duchess Northumberland 9 x Great Granddaughter of King James V of Scotland
Great x 4 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grandson of King Edward III of England
Great x 3 Grandfather: George Granville Leveson-Gower 1st Duke Sutherland 8 x Great Grandson 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
Great x 2 Grandfather: George Sutherland Leveson-Gower 2nd Duke Sutherland 8 x Great Grandson of King James V of Scotland
Great x 4 Grandfather: William Sutherland 18th Earl Sutherland 6 x Great Grandson of King James V of Scotland
Great x 3 Grandmother: Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland 7 x Great Granddaughter of King James V of Scotland
Great x 1 Grandmother: Elizabeth Georgiana Leveson-Gower Duchess Argyll 9 x Great Granddaughter of King James V of Scotland
Great x 4 Grandfather: Frederick Howard 5th Earl Carlisle 
11 x Great Grandson of King Edward III of England
Great x 3 Grandfather: George Howard 6th Earl Carlisle 9 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandmother: Margaret Caroline Leveson-Gower Countess Carlisle 8 x Great Granddaughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Harriet Elizabeth Georgiana Howard Duchess Sutherland 10 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish 5th Duke Devonshire 8 x Great Grandson of King Henry VII of England and Ireland
Great x 3 Grandmother: Georgiana Cavendish Countess Carlisle 
9 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Georgiana Spencer Duchess Devonshire 
10 x Great Granddaughter of King Henry VII of England and Ireland
Diana Evelyn Percy Duchess of Sutherland 7 x Great Granddaughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: George Lennox 
Great Grandson of King Charles II of England Scotland and Ireland
Great x 3 Grandfather: Charles Lennox 4th Duke Richmond 2 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 4 Grandmother: Louisa Kerr 4 x Great Granddaughter of King James I of England and Ireland and VI of Scotland
Great x 2 Grandfather: Charles Gordon-Lennox 5th Duke Richmond 3 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Alexander Gordon 4th Duke Gordon 8 x Great Grandson of King James IV of Scotland
Great x 3 Grandmother: Charlotte Gordon Duchess Richmond 9 x Great Granddaughter of King James IV of Scotland
Great x 4 Grandmother: Jane Maxwell Duchess Gordon 
Great x 1 Grandfather: Charles Gordon-Lennox 6th Duke Richmond 4 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Henry Bayly-Paget 1st Earl Uxbridge 
12 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Henry William Paget 1st Marquess Anglesey 13 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Jane Champagné Countess Uxbridge
Great x 2 Grandmother: Caroline Paget Duchess Richmond 10 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: George Bussy Villiers 4th Earl Jersey 
8 x Great Grandson of King Henry VII of England and Ireland
Great x 3 Grandmother: Caroline Elizabeth Villiers Duchess Argyll 9 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Frances Twysden 
Grandfather: Charles Gordon-Lennox 7th Duke Richmond 5 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Fulke Greville 
11 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Charles Greville 12 x Great Grandson of King Edward III of England
Great x 2 Grandfather: Algernon Frederick Greville 10 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish-Bentinck 3rd Duke Portland 
9 x Great Grandson of King Edward IV of England
Great x 3 Grandmother: Charlotte Cavendish-Bentinck 9 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Dorothy Cavendish 3rd Duchess Portland 8 x Great Granddaughter of King Henry VII of England and Ireland
Great x 1 Grandmother: Frances Harriett Greville Duchess Richmond 11 x Great Granddaughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Charlotte Maria Cox
mother: Helen Gordon-Lennox Duchess Northumberland 6 x Great Granddaughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: William Craven 6th Baron Craven Craven Arms
Great x 3 Grandfather: William Craven 1st Earl Craven Craven Arms 3 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 4 Grandmother: Elizabeth Berkeley Margrave Brandenburg-Ansbach 
2 x Great Granddaughter of King Charles II of England Scotland and Ireland
Great x 2 Grandfather: George Augustus Craven Craven Arms 4 x Great Grandson of King Charles II of England Scotland and Ireland
Great x 3 Grandmother: Louisa Brunton Countess Craven
Great x 1 Grandfather: William George Craven Craven Arms 5 x Great Grandson of King Charles II of England Scotland and Ireland
Grandmother: Isabel Sophie Craven Craven Arms 6 x Great Granddaughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Charles Yorke 
Great x 3 Grandfather: Admiral Joseph Sydney Yorke
Great x 4 Grandmother: Agneta Johnson
Great x 2 Grandfather: Charles Yorke 4th Earl of Hardwicke
Great x 4 Grandfather: James Rattray
Great x 3 Grandmother: Elizabeth Weake Rattray
Great x 1 Grandmother: Mary Catherine Craven 12 x Great Granddaughter of King James I of Scotland
Great x 4 Grandfather: Henry George Liddell 5th Baronet 
13 x Great Grandson of King Edward III of England
Great x 3 Grandfather: Thomas Liddell 1st Baron Ravensworth 14 x Great Grandson of King Edward III of England
Great x 2 Grandmother: Susan Liddell Countess Hardwicke 11 x Great Granddaughter of King James I of Scotland
Great x 4 Grandfather: John Simpson
Great x 3 Grandmother: Maria Susannah Simpson Baroness Calthorpe 10 x Great Granddaughter of King James I of Scotland
Great x 4 Grandmother: Anne Lyon 9 x Great Granddaughter of King James I of Scotland