William Douglas 3rd Duke Touraine and Janet Lindsay Countess Wigtown 1427-1483 were married. She the daughter of David Lindsay 3rd Earl Crawford 1405-1445. He the son of Archibald Douglas 2nd Duke Touraine and . They were half third cousins.
Around 1424 [his father] Archibald Douglas 2nd Duke Touraine (age 34) and [his mother] (age 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 -1434. He the son of Archibald Douglas 1st Duke Touraine (age 52) and Margaret Stewart Duchess Touraine. They were half second cousins.
Around 1424 William Douglas 3rd Duke Touraine was born to Archibald Douglas 2nd Duke Touraine (age 34) and (age 16).
On 17 Aug 1424 [his father] Archibald Douglas 2nd Duke Touraine (age 34) succeeded 2nd Duke Touraine, 2nd Earl Wigtown, 5th Lord Douglas, 2nd Lord Annandale, 2nd Lord Galloway, 2nd Lord Bothwell.
On 26 Jun 1439 [his father] Archibald Douglas 2nd Duke Touraine (age 49) died. His son William Douglas 3rd Duke Touraine (age 15) succeeded 3rd Duke Touraine, 3rd Earl Wigtown, 6th Lord Douglas, 3rd Lord Annandale, 3rd Lord Galloway, 3rd Lord Bothwell. Janet Lindsay Countess Wigtown 1427-1483 (age 12) by marriage Countess Wigtown.
After 25 Feb 1440 [his step-father] James Hamilton 1st Lord Hamilton (age 25) and [his mother] (age 32) were married. She the daughter of Patrick Graham and Eupheme Stewart 2nd Countess of Strathearn and Caithness -1434.
On 24 Nov 1440 William Crichton 1st Lord Crichton arranged a dinner of reconciliation at the Great Hall, Edinburgh Castle. During the course of the dinner the young brothers William Douglas 3rd Duke Touraine (age 16) and [his brother] David Douglas (age 10) was beheaded in front of the young King James II of Scotland (age 10).
Kings Wessex: Great x 11 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 8 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 14 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 9 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 7 Grand Son of King John "Lackland" of England
Kings Scotland: Great x 4 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 18 Grand Son of Louis "Pious" King Aquitaine I King Franks
Kings France: Great x 11 Grand Son of Robert "Pious" II King France
Great x 4 Grandfather: William "Longleg" Douglas
Great x 3 Grandfather: William "Hardy" Douglas 2nd Lord Douglas
Great x 4 Grandmother: Constance Battail Battail
Great x 2 Grandfather: James "Black" Douglas
Great x 4 Grandfather: Alexander Stewart 4th High Steward
Great x 3 Grandmother: Elizabeth Stewart Baroness Douglas
Great x 1 Grandfather: Archibald "Grim" Douglas 3rd Earl Douglas 1329-1400
GrandFather: Archibald Douglas 1st Duke Touraine
Father: Archibald Douglas 2nd Duke Touraine 6 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: James Stewart 5th High Steward
Great x 3 Grandfather: Walter Stewart 6th High Steward
Great x 2 Grandfather: King Robert II of Scotland 3 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Robert "The Bruce" I King Scotland 5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Marjory Bruce 2 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Isabella Mar Great Grand Daughter of King John "Lackland" of England
Great x 1 Grandfather: King Robert III of Scotland 1337-1406 4 x Great Grand Son of King John "Lackland" of England
GrandMother: Margaret Stewart Duchess Touraine 5 x Great Grand Daughter of King John "Lackland" of England
William Douglas 3rd Duke Touraine 1424-1440 7 x Great Grand Son of King John "Lackland" of England
Great x 1 Grandfather: Patrick Graham of Kincardine
GrandFather: Patrick Graham
Mother: 6 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: James Stewart 5th High Steward
Great x 3 Grandfather: Walter Stewart 6th High Steward
Great x 2 Grandfather: King Robert II of Scotland 3 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Robert "The Bruce" I King Scotland 5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 3 Grandmother: Marjory Bruce 2 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Isabella Mar Great Grand Daughter of King John "Lackland" of England
Great x 1 Grandfather: David Stewart 3rd Earl Strathearn 1st Earl Caithness 4 x Great Grand Son of King John "Lackland" of England
GrandMother: Eupheme Stewart 2nd Countess of Strathearn and Caithness -1434 5 x Great Grand Daughter of King John "Lackland" of England
Great x 3 Grandfather: David Lindsay of Crawford
Great x 2 Grandfather: Alexander Lindsay of Glenesk
Great x 1 Grandmother: Eupheme Lindsay Countess Strathearn Caithness 1362-
Great x 2 Grandmother: Katherine Stirling