Paternal Family Tree: Egmont
Maternal Family Tree: Margaret Silesia
On 23 Jul 1423 [her father] Arnold Egmont 1st Duke Guelders (age 13) and [her mother] Catherine La Marck (age 6) were married. She the daughter of [her grandfather] Adolph La Marck I Duke Cleves (age 49) and [her grandmother] Marie Valois Duchess Cleves (age 30). She a great x 5 granddaughter of King Edward I of England.
Around 1434 Mary of Guelders Queen Consort Scotland was born to Arnold Egmont 1st Duke Guelders (age 23) and Catherine La Marck (age 16) at Grave.
On 03 Jul 1449 Mary of Guelders Queen Consort Scotland (age 15) was crowned Queen Consort Scotland.
On 03 Jul 1449 King James II of Scotland (age 18) and Mary of Guelders Queen Consort Scotland (age 15) were married at Holyrood Abbey, Holyrood. She the daughter of Arnold Egmont 1st Duke Guelders (age 38) and Catherine La Marck (age 32). He the son of King James I of Scotland and Joan Beaufort Queen Consort Scotland. He a great x 2 grandson of King Edward III of England.
On 19 May 1450 [her son] Unamed Stewart was born to [her husband] King James II of Scotland (age 19) and Mary of Guelders Queen Consort Scotland (age 16). He died the same day. He a great x 3 grandson of King Edward III of England.
On 10 Jul 1451 [her son] King James III of Scotland was born to [her husband] King James II of Scotland (age 20) and Mary of Guelders Queen Consort Scotland (age 17). He a great x 3 grandson of King Edward III of England.
On 13 May 1453 [her daughter] Mary Stewart Countess Arran was born to [her husband] King James II of Scotland (age 22) and Mary of Guelders Queen Consort Scotland (age 19) at Stirling Castle [Map]. She a great x 3 granddaughter of King Edward III of England.
Around 1454 [her son] Alexander Stewart 1st Duke Albany was born to [her husband] King James II of Scotland (age 23) and Mary of Guelders Queen Consort Scotland (age 20). He a great x 3 grandson of King Edward III of England.
Around 1455 [her son] David Stewart was born to [her husband] King James II of Scotland (age 24) and Mary of Guelders Queen Consort Scotland (age 21). He a great x 3 grandson of King Edward III of England.
Around 1456 [her son] John Stewart 1st Earl of Mar was born to [her husband] King James II of Scotland (age 25) and Mary of Guelders Queen Consort Scotland (age 22). He a great x 3 grandson of King Edward III of England.
In 1457 [her brother-in-law] John Stewart 1st Earl Atholl (age 17) was created 1st Earl Atholl.
In 1458 George Gordon 2nd Earl Huntley (age 2) and [her sister-in-law] Anabella Stewart (age 22) were married. She the daughter of King James I of Scotland and Joan Beaufort Queen Consort Scotland. He the son of Alexander Gordon 1st Earl Huntley and Elizabeth Crichton Countess Huntley (age 47). She a great x 2 granddaughter of King Edward III of England.
Around 1459 [her brother-in-law] John Stewart 1st Earl Atholl (age 19) and Margaret "Fair Lady of Galloway" Douglas Countess (age 24) were married. She by marriage Countess Atholl. She the daughter of Archibald Douglas 2nd Duke Touraine and Euphemia Graham Lady Hamilton (age 51). He the son of James "Black Knight of Lorn" Stewart and Joan Beaufort Queen Consort Scotland. He a great x 2 grandson of King Edward III of England.
On 15 May 1459 James Douglas 1st Earl Morton and [her sister-in-law] Joan Stewart Countess Morton (age 31) were married. She by marriage Countess Morton. She the daughter of King James I of Scotland and Joan Beaufort Queen Consort Scotland. They were first cousin once removed. She a great x 2 granddaughter of King Edward III of England.
Around 1460 [her daughter] Princess Margaret Stewart was born to [her husband] King James II of Scotland (age 29) and Mary of Guelders Queen Consort Scotland (age 26). She a great x 3 granddaughter of King Edward III of England.
On 03 Aug 1460 [her husband] King James II of Scotland (age 29) was killed accidentally whilst besieging Roxburgh Castle when a cannon exploded and he was hit by debris. He was buried at Holyrood Abbey, Holyrood. His son [her son] King James III of Scotland (age 9) succeeded III King Scotland.
William Douglas 3rd Lord Drumlanrig (age 20) was present.
Around Jun 1462 a Scottish and Lancastrian force, including [her son] King James III of Scotland (age 10), his mother Mary of Guelders Queen Consort Scotland (age 28), King Henry VI of England and II of France (age 40) and his wife Margaret of Anjou Queen Consort England (age 32), laid siege to Norham Castle [Map]. They held Norham for eighteen days until a force led by Richard "Kingmaker" Neville Earl Warwick, 6th Earl Salisbury (age 33) and his brother John Neville 1st Marquess Montagu (age 31) advanced to Norham Castle [Map] at which time the Scottish and Lancastrian force fled in panic pursued by the Yorkist army. Margaret of Anjou Queen Consort England and her son Edward of Westminster Prince of Wales (age 8) escaped to Berwick on Tweed, Northumberland [Map] and then to the continent. King Henry VI of England and II of France remained in Scotland - he and his wife never saw each other again.
On 01 Dec 1463 Mary of Guelders Queen Consort Scotland (age 29) died at Roxburgh Castle, Roxburgh. She was buried at Holyrood Abbey, Holyrood.
Kings Wessex: Great x 13 Grand Daughter of King Edmund "Ironside" I of England
Kings England: Great x 6 Grand Daughter of King Edward I of England
Kings Scotland: Great x 12 Grand Daughter of King Duncan I of Scotland
Kings Franks: Great x 8 Grand Daughter of Louis VII King Franks
Kings France: Great x 5 Grand Daughter of Philip V King France I King Navarre
Kings Duke Aquitaine: Great x 17 Grand Daughter of Ranulf I Duke Aquitaine
Great x 2 Grandfather: John Egmont
Great x 1 Grandfather: Arnold Egmont
GrandFather: John Egmont
Father: Arnold Egmont 1st Duke Guelders
Mary of Guelders Queen Consort Scotland 6 x Great Grand Daughter of King Edward I of England
Great x 2 Grandfather: Adolph La Marck II Count La Marck
Great x 1 Grandfather: Adolph La Marck 6 x Great Grand Son of King Stephen I England
Great x 4 Grandfather: Dietrich Cleves VII Count Cleves
Great x 3 Grandfather: Dietrich Cleves VIII Count Cleves
Great x 4 Grandmother: Margaret Kiburg Laufenburg Countess Cleves
Great x 2 Grandmother: Margaret Cleves Countess Mark 5 x Great Grand Daughter of King Stephen I England
Great x 4 Grandfather: Reginald I Count Guelders 3 x Great Grand Son of King Stephen I England
Great x 3 Grandmother: Margaret Guelders Countess Cleves 4 x Great Grand Daughter of King Stephen I England
Great x 4 Grandmother: Margaret Dampierre Duchess Brabant 
5 x Great Grand Daughter of King William "Conqueror" I of England
GrandFather: Adolph La Marck I Duke Cleves 7 x Great Grand Son of King Stephen I England
Great x 4 Grandfather: Gerhard Jülich V Count Jülich 3 x Great Grand Son of King Stephen I England
Great x 3 Grandfather: William Jülich V Duke Jülich 4 x Great Grand Son of King Stephen I England
Great x 4 Grandmother: Elisabeth Brabant Countess Jülich
Great x 2 Grandfather: Gerhard Jülich VI Count Berg and Ravensberg 5 x Great Grand Son of King Stephen I England
Great x 1 Grandmother: Margaret Jülich Countess Cleves and Mark 6 x Great Grand Daughter of King Stephen I England
Mother: Catherine La Marck 5 x Great Grand Daughter of King Edward I of England
Great x 4 Grandfather: King Philip "Fortunate" VI of France 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: King John "The Good" II of France 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Joan "Lame" Burgundy Queen Consort France 3 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandfather: Philip "Bold" Valois II Duke Burgundy 5 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: King John I of Bohemia 
6 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandmother: Bonne Luxemburg Queen Consort France 7 x Great Grand Daughter of King William "Conqueror" I of England
Great x 4 Grandmother: Queen Elizabeth of Bohemia
Great x 1 Grandfather: John "Fearless" Valois Duke Burgundy 3 x Great Grand Son of King Edward I of England
Great x 4 Grandfather: Louis Dampierre II Count Nevers I Count Flanders 7 x Great Grand Son of King William "Conqueror" I of England
Great x 3 Grandfather: Louis Dampierre III Count Nevers II Count Flanders 6 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Margaret Capet Countess Nevers amd Flanders 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Margaret Dampierre Duchess Burgundy 2 x Great Grand Daughter of King Edward I of England
Great x 4 Grandfather: John Brabant III Duke Brabant Grand Son of King Edward I of England
Great x 3 Grandmother: Margaret Brabant Countess Nevers and Flanders Great Grand Daughter of King Edward I of England
Great x 4 Grandmother: Marie Évreux Duchess of Brabant 2 x Great Grand Daughter of King Henry III of England
GrandMother: Marie Valois Duchess Cleves 4 x Great Grand Daughter of King Edward I of England
Great x 4 Grandfather: Louis "Strict" Wittelsbach II Duke Upper Bavaria 
2 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Louis Wittelsbach IV Holy Roman Emperor 3 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Matilda Habsburg Duchess Bavaria
Great x 2 Grandfather: Albert Wittelsbach I Duke Bavaria 4 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: William Hainault I Count Hainault III Count Avesnes III Count Holland II Count Zeeland 4 x Great Grand Son of King Stephen I England
Great x 3 Grandmother: Margaret Hainault Holy Roman Empress 5 x Great Grand Daughter of King Stephen I England
Great x 4 Grandmother: Joan Valois Countess Zeeland Holland Avesnes and Hainault 4 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 1 Grandmother: Margaret Wittelsbach Duchess Burgundy 5 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 2 Grandmother: Margaret Silesia
