Paternal Family Tree: Douglas
Maternal Family Tree: Mary Margaret Montifex 1330-1424
Elizabeth Douglas Countess Buchan and Orkney was born to Archibald Douglas 1st Duke Touraine and Margaret Stewart Duchess Touraine.
Before 1390 [her father] Archibald Douglas 1st Duke Touraine [aged 17] and [her mother] Margaret Stewart Duchess Touraine were married. She the daughter of [her grandfather] King Robert III of Scotland [aged 52] and [her grandmother] Annabella Drummond Queen Consort Scotland [aged 39]. He the son of Archibald "Grim" Douglas 3rd Earl Douglas [aged 60] and Joanna Strathearn Countess Douglas. They were half third cousin once removed. She a great x 5 granddaughter of King John of England.
In 1390 John Stewart 2nd Earl Buchan [aged 9] and Elizabeth Douglas Countess Buchan and Orkney were married. She the daughter of Archibald Douglas 1st Duke Touraine [aged 18] and Margaret Stewart Duchess Touraine. He the son of Robert Stewart 1st Duke Albany [aged 50] and Muriella Keith Duchess Albany [aged 32]. They were first cousin once removed. He a great x 5 grandson of King John of England.
In or before 1392 [her brother-in-law] Murdoch Stewart 2nd Duke Albany [aged 29] and Isabel Countess Lennox Duchess Albany were married. She by marriage Duchess Albany. She the daughter of Duncan Lennox 8th Earl Lennox [aged 46]. He the son of [her father-in-law] Robert Stewart 1st Duke Albany [aged 51] and Margaret Graham 3rd Countess Menteith.
Around December 1400 [her grandfather] Archibald "Grim" Douglas 3rd Earl Douglas [aged 70] died at Threave Castle. His son [her father] Archibald [aged 28] succeeded 4th Earl Douglas. [her mother] Margaret Stewart Duchess Touraine by marriage Countess Douglas.
On 21st July 1403 King Henry IV of England [aged 36], with his son the future King Henry V of England [aged 16], defeated the rebel army of Henry "Hotspur" Percy [aged 39] at the Battle of Shrewsbury at the site now known as Battlefield, Shrewsbury [Map]. King Henry V of England took an arrow to the side of his face. John Stanley [aged 53] was wounded in the throat. Thomas Strickland [aged 36] fought and was awarded £38 and two of the rebel Henry's horses. Richard Beauchamp 13th Earl Warwick [aged 21] fought for the King. Walter Blount [aged 55], the King's Standard Bearer, was killed by [her father] Archibald Douglas 1st Duke Touraine [aged 31].
Thomas Wendesley [aged 59], Edmund Cockayne [aged 47] and Robert Goushill were killed.
Edmund Stafford 5th Earl Stafford [aged 25] was killed. His son Humphrey Stafford succeeded 6th Earl Stafford, 7th Baron Stafford.
Hugh Shirley [aged 52] was killed; he was one of four knights dressed as King Henry IV of England.
Of the rebels, Henry "Hotspur" Percy, Madog Kynaston [aged 43] and John Clifton were killed.
Thomas Percy 1st Earl of Worcester [aged 60] was beheaded after the battle. Earl Worcester extinct.
Richard Vernon 11th Baron Shipbrook [aged 48] was hanged. Baron Shipbrook forfeit.
John Rossall was killed. His sister Eleanor Rossall [aged 26] inherited a half-share in the Rossall Shrewsbury [Map] estates.
John Massey [aged 65] was killed.
On 3rd September 1420 [her father-in-law] Robert Stewart 1st Duke Albany [aged 80] died at Stirling Castle [Map]. His son [her brother-in-law] Murdoch [aged 58] succeeded 2nd Duke Albany. His son [her husband] John [aged 39] succeeded 2nd Earl Buchan. Elizabeth Douglas Countess Buchan and Orkney by marriage Countess Buchan.
On 22nd March 1421 the Dauphin's [aged 18] French army and a Scottish army heavily defeated the English army at the Battle of Baugé. On the French side Étienne Vignolles "La Hire" fought. On the Scottish side [her husband] John Stewart 2nd Earl Buchan [aged 40] and John Stewart of Darnley 1st Count Évreux [aged 41] fought. William Douglas [aged 37] was killed.
On the English side John Beaufort 1st Duke of Somerset [aged 18], Thomas Beaufort 1st Duke Exeter [aged 44], Thomas Beaufort Count Perche [aged 16] and John Holland 2nd Duke Exeter [aged 26] were captured. John Beaufort 1st Duke of Somerset would be captive for the next seventeen years. Thomas Beaufort 1st Duke Exeter was released in 1422. Thomas Beaufort Count Perche was released around 1427 in a prisoner exchange.
Thomas Lancaster 1st Duke of Clarence [aged 33] was killed in battle. Duke Clarence extinct.
John Lumley [aged 38] was killed in battle.
John Ros 7th Baron Ros Helmsley [aged 24] was killed in battle. His brother Thomas [aged 13] succeeded 8th Baron Ros Helmsley.
William Ros [aged 23], and Gilbert V Umfraville were killed.
John Grey 1st Earl Tankerville [aged 37] was killed in battle. His son Henry [aged 3] succeeded 2nd Earl Tankerville.
William Douglas 1st Lord Drumlanrig was present.
Around 1424 [her brother] Archibald Douglas 2nd Duke Touraine [aged 34] and [her sister-in-law] Euphemia Graham Lady Hamilton [aged 16] were married. She by marriage Duchess Touraine, Countess Wigtown. She the daughter of Patrick Graham and Eupheme Stewart 2nd Countess of Strathearn and Caithness. He the son of [her father] Archibald Douglas 1st Duke Touraine [aged 52] and [her mother] Margaret Stewart Duchess Touraine. They were half second cousins.
On 29th April 1424 [her father] Archibald Douglas 1st Duke Touraine [aged 52] was created 1st Duke Touraine by Charles "Victorious" VII King France [aged 21]; he was the first non-Frenchman to be appiinted Duke in France. Charles had also appointed him Lieutenant General in the waging of war in the Kingdom of France. [her mother] Margaret Stewart Duchess Touraine by marriage Duchess Touraine.
On 17th August 1424 [her brother] Archibald Douglas 2nd Duke Touraine [aged 34] succeeded 2nd Duke Touraine, 2nd Earl Wigtown, 5th Lord Douglas, 2nd Lord Annandale, 2nd Lord Galloway, 2nd Lord Bothwell.
On 17th August 1424 the English forces led by John Lancaster 1st Duke Bedford [aged 35] inflicted a significant defeat on the French and Scottish army at the Battle of Verneuil; a second Agincourt. For the English Edmund Hungerford [aged 15], Ralph Longford [aged 23], John "Old Talbot" Talbot 1st Earl of Shrewsbury [aged 41] and Richard Waller [aged 29] fought.
On the French and Scottish side Pierre Valois, [her father] Archibald Douglas 1st Duke Touraine [aged 52], his son James Douglas, William Seton Master of Seton [aged 34], Alexander Home of Home and Dunglas [aged 56] were killed
John Stewart 2nd Earl Buchan [aged 43] was killed. His brother Robert [aged 39] de jure Earl Ross and Earl Buchan although he didn't claim the title since both titles had reverted to the Crown.
Jean Poton Xaintrailles [aged 34] fought.
Before 1425 [her daughter] Margaret Stewart was born to [her former husband] John Stewart 2nd Earl Buchan and Elizabeth Douglas Countess Buchan and Orkney. Coefficient of inbreeding 3.20%. She married before 8th January 1437 George Seton 3rd Lord Seton and had issue.
Around 1st May 1427 Thomas Stewart and Elizabeth Douglas Countess Buchan and Orkney were married. She the daughter of Archibald Douglas 1st Duke Touraine and Margaret Stewart Duchess Touraine. He the son of Alexander Stewart 1st Earl of Mar [aged 52]. They were second cousins.
Before August 1432 [her husband] Thomas Stewart died.
The History of William Marshal was commissioned by his son shortly after William’s death in 1219 to celebrate the Marshal’s remarkable life; it is an authentic, contemporary voice. The manuscript was discovered in 1861 by French historian Paul Meyer. Meyer published the manuscript in its original Anglo-French in 1891 in two books. This book is a line by line translation of the first of Meyer’s books; lines 1-10152. Book 1 of the History begins in 1139 and ends in 1194. It describes the events of the Anarchy, the role of William’s father John, John’s marriages, William’s childhood, his role as a hostage at the siege of Newbury, his injury and imprisonment in Poitou where he met Eleanor of Aquitaine and his life as a knight errant. It continues with the accusation against him of an improper relationship with Margaret, wife of Henry the Young King, his exile, and return, the death of Henry the Young King, the rebellion of Richard, the future King Richard I, war with France, the death of King Henry II, and the capture of King Richard, and the rebellion of John, the future King John. It ends with the release of King Richard and the death of John Marshal.
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In 1436 [her son] William Sinclair 2nd Lord Sinclair was born to William Sinclair 3rd Earl Orkney 1st Earl Caithness [aged 26] and Elizabeth Douglas Countess Buchan and Orkney. Coefficient of inbreeding 2.40%. He married after 29th April 1458 Christian Leslie Lady Sinclair and had issue.
Before 8th January 1437 [her son-in-law] George Seton 3rd Lord Seton [aged 22] and Margaret Stewart [aged 12] were married. She the daughter of John Stewart 2nd Earl Buchan and Elizabeth Douglas Countess Buchan and Orkney.
On 26th June 1439 [her brother] Archibald Douglas 2nd Duke Touraine [aged 49] died. His son [her nephew] William [aged 15] succeeded 3rd Duke Touraine, 3rd Earl Wigtown, 6th Lord Douglas, 3rd Lord Annandale, 3rd Lord Galloway, 3rd Lord Bothwell. Janet Lindsay Countess Wigtown [aged 12] by marriage Countess Wigtown.
In 1440 [her daughter] Catherine Sinclair Duchess Albany was born to William Sinclair 3rd Earl Orkney 1st Earl Caithness [aged 30] and Elizabeth Douglas Countess Buchan and Orkney. Coefficient of inbreeding 2.40%. She married before 1477 her second cousin Alexander Stewart 1st Duke Albany, son of King James II of Scotland and Mary of Guelders Queen Consort Scotland, and had issue.
Around 1451 Elizabeth Douglas Countess Buchan and Orkney died.
[her daughter] Unamed Sinclair was born to William Sinclair 3rd Earl Orkney 1st Earl Caithness and Elizabeth Douglas Countess Buchan and Orkney. Coefficient of inbreeding 2.40%.
William Sinclair 3rd Earl Orkney 1st Earl Caithness and Elizabeth Douglas Countess Buchan and Orkney were married. She by marriage Countess Orkney. She the daughter of Archibald Douglas 1st Duke Touraine and Margaret Stewart Duchess Touraine. He the son of Henry Sinclair 2nd Earl Orkney and Egidia "Fair Maid of Nithsdale" Douglas Countess Orkney. They were half first cousin once removed.
Thomas son Alexander Earl Mar and Elizabeth Douglas Countess Buchan and Orkney were married. She the daughter of Archibald Douglas 1st Duke Touraine and Margaret Stewart Duchess Touraine.
Kings Wessex: Great x 10 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 7 Grand Daughter of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 13 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 8 Grand Daughter of Maredudd ap Bleddyn King Powys
Kings England: Great x 6 Grand Daughter of King John of England
Kings Scotland: Grand Daughter of King Robert III of Scotland
Kings France: Great x 11 Grand Daughter of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 15 Grand Daughter of Ranulf I Duke Aquitaine
Great x 4 Grandfather: Archibald Douglas
Great x 3 Grandfather: William "Longleg" Douglas
Great x 4 Grandmother: Margaret Crawford
Great x 2 Grandfather: William "Hardy" Douglas 2nd Lord Douglas
Great x 3 Grandmother: Constance Battail Battail
Great x 1 Grandfather: James "Black" Douglas 4 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: Walter Stewart 3rd High Steward 
Great x 3 Grandfather: Alexander Stewart 4th High Steward 2 x Great Grandson of King David I of Scotland
Great x 4 Grandmother: Bethóc Angus Great Granddaughter of King David I of Scotland
Great x 2 Grandmother: Elizabeth Stewart Baroness Douglas 3 x Great Granddaughter of King David I of Scotland
Grandfather: Archibald "Grim" Douglas 3rd Earl Douglas 5 x Great Grandson of King David I of Scotland
father: Archibald Douglas 1st Duke Touraine 6 x Great Grandson of King David I of Scotland
Great x 1 Grandfather: Maurice de Moravia Strathearn 1st Earl Strathearn
Grandmother: Joanna Strathearn Countess Douglas
Elizabeth Douglas Countess Buchan and Orkney Granddaughter of King Robert III of Scotland
Great x 4 Grandfather: Alexander Stewart 4th High Steward 2 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: James Stewart 5th High Steward 3 x Great Grandson of King David I of Scotland
Great x 2 Grandfather: Walter Stewart 6th High Steward 4 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: Walter Burgh 1st Earl of Ulster 
8 x Great Grandson of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Great x 3 Grandmother: Egidia Burgh 9 x Great Granddaughter of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Great x 4 Grandmother: Aveline Fitzjohn Countess Ulster 8 x Great Granddaughter of Hugh I King of the Franks
Great x 1 Grandfather: King Robert II of Scotland 
Grandson of King Robert the Bruce I of Scotland
Great x 4 Grandfather: Robert Bruce Earl Carrick 3 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: King Robert the Bruce I of Scotland 4 x Great Grandson of King David I of Scotland
Great x 4 Grandmother: Marjorie Carrick 3rd Countess Carrick 3 x Great Granddaughter of King David I of Scotland
Great x 2 Grandmother: Marjorie Bruce daughter of King Robert the Bruce I of Scotland
Great x 4 Grandfather: Donald Mar 7th Earl of Mar
Great x 3 Grandmother: Isabella Mar Great Granddaughter of King John of England
Great x 4 Grandmother: Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar Granddaughter of King John of England
Grandfather: King Robert III of Scotland son of King Robert II of Scotland
Great x 2 Grandfather: Adam Mure
Great x 1 Grandmother: Elizabeth Mure Queen Consort Scotland
mother: Margaret Stewart Duchess Touraine daughter of King Robert III of Scotland
Great x 2 Grandfather: Malcolm Drummond
Great x 1 Grandfather: John Drummond of Stobhall 11th Thane of Lennox
Grandmother: Annabella Drummond Queen Consort Scotland
Great x 1 Grandmother: Mary Margaret Montifex