Paternal Family Tree: Maxwell
Maternal Family Tree: Agnes Stewart Countess Bothwell 1469-1557
Around 17th February 1571 [his father] John Maxwell 1st Earl Morton [aged 17] and [his mother] Elizabeth Douglas Countess Morton were married. She by marriage Countess Morton. She the daughter of [his grandfather] David Douglas 7th Earl Angus and [his grandmother] Margaret Hamilton Countess Angus [aged 46]. They were fourth cousins.
After 1586 Robert Maxwell 1st Earl Nithsdale was born to John Maxwell 1st Earl Morton [aged 32] and Elizabeth Douglas Countess Morton.
On 7th December 1593 [his father] John Maxwell 1st Earl Morton [aged 40] was killed during a fight with the Johnstones of Annandale over an ongoing feud at Dryfe Sands Lockerbie Dumfries and Galloway.
In 1594 [his step-father] Alexander Stewart 6th of Garlies [aged 43] and [his mother] Elizabeth Douglas Countess Morton were married. She the daughter of [his grandfather] David Douglas 7th Earl Angus and [his grandmother] Margaret Hamilton Countess Angus [aged 69].
On 31st October 1597 [his step-father] John Wallace 13th of Craigie [aged 44] and [his mother] Elizabeth Douglas Countess Morton were married. The date being only some twenty-five days after the death of her previous husband Alexander Stewart 6th of Garlies [deceased]? She the daughter of David Douglas 7th Earl Angus and Margaret Hamilton Countess Angus.
In 1617 Robert Maxwell 1st Earl Nithsdale [aged 30] was restored 10th Lord Maxwell.
On 28th October 1619 Robert Maxwell 1st Earl Nithsdale [aged 33] and Elizabeth Beaumont Countess Nithsdale were married. He the son of John Maxwell 1st Earl Morton and Elizabeth Douglas Countess Morton.
In 1620 [his son] Robert Maxwell 2nd Earl Nithsdale was born to Robert Maxwell 1st Earl Nithsdale [aged 33] and [his wife] Elizabeth Beaumont Countess Nithsdale.
On 29th August 1620 Robert Maxwell 1st Earl Nithsdale [aged 34] was created 1st Earl Nithsdale. [his wife] Elizabeth Beaumont Countess Nithsdale by marriage Countess Nithsdale. The following year the family lands were regranted to him by charter.
Before 19th August 1622 Spencer Compton 2nd Earl of Northampton [aged 21] and [his sister-in-law] Mary Beaumont Countess of Northampton [aged 18] were married. He the son of William Compton 1st Earl of Northampton and Elizabeth Spencer Countess Northampton [aged 47].
On 24th June 1630 William Compton 1st Earl of Northampton died. His son Spencer [aged 29] succeeded 2nd Earl of Northampton, 3rd Baron Compton of Compton in Warwickshire. [his sister-in-law] Mary Beaumont Countess of Northampton [aged 26] by marriage Countess of Northampton.
In 1645 the lands and titles Robert Maxwell 1st Earl Nithsdale [aged 58] were declared forfeit for his support of the King during the Civil War; Earl Nithsdale forfeit.
In May 1646 Robert Maxwell 1st Earl Nithsdale [aged 60] died. His son Robert [aged 26] succeeded 2nd Earl Nithsdale, 11th Lord Maxwell.
In 1671 [his former wife] Elizabeth Beaumont Countess Nithsdale died.
Kings Wessex: Great x 16 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 12 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 18 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 13 Grand Son of Maredudd ap Bleddyn King Powys
Kings Godwinson: Great x 17 Grand Son of King Harold II of England
Kings England: Great x 7 Grand Son of King Edward III of England
Kings Scotland: Great x 2 Grand Son of King James IV of Scotland
Kings France: Great x 9 Grand Son of King Philip IV of France
Kings Duke Aquitaine: Great x 21 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 13 Grand Son of Alfonso VII King Castile VII King Leon
Great x 3 Grandfather: John Maxwell 3rd Lord Maxwell 
Great x 2 Grandfather: John Maxwell 4th Lord Maxwell
Great x 4 Grandfather: George Crichton 1st Earl Caithness
Great x 3 Grandmother: Janet Crichton Lady Maxwell
Great x 4 Grandmother: Janet Borthwick
Great x 1 Grandfather: Robert Maxwell 5th Lord Maxwell 12 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: William Stewart 2nd of Dalswinton and Garlies 
9 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: Alexander Stewart 3rd of Garlies 10 x Great Grandson of King David I of Scotland
Great x 2 Grandmother: Agnes Stewart 11 x Great Granddaughter of King David I of Scotland
Great x 4 Grandfather: Archibald Douglas 3rd Lord Cavers 
10 x Great Grandson of King David I of Scotland
Great x 3 Grandmother: Elizabeth Douglas 11 x Great Granddaughter of King David I of Scotland
Grandfather: Robert Maxwell 6th Lord Maxwell 13 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: William Douglas 4th Lord Drumlanrig 11 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: James Douglas 5th Lord Drumlanrig 12 x Great Grandson of King David I of Scotland
Great x 2 Grandfather: William Douglas 6th Lord Drumlanrig 13 x Great Grandson of King David I of Scotland
Great x 4 Grandfather: David Scott 
Great x 3 Grandmother: Janet Scott Lady Drumlanrig
Great x 1 Grandmother: Janet Douglas Lady Maxwell 14 x Great Granddaughter of King David I of Scotland
Great x 3 Grandfather: John Gordon
Great x 2 Grandmother: Elizabeth Gordon Lady Drumlanrig
father: John Maxwell 1st Earl Morton Great Grandson of King James IV of Scotland
Great x 4 Grandfather: James Douglas Grandson of King Robert III of Scotland
Great x 3 Grandfather: James Douglas 1st Earl Morton Great Grandson of King Robert III of Scotland
Great x 4 Grandmother: Elizabeth Gifford
Great x 2 Grandfather: John Douglas 2nd Earl Morton Grandson of King James I of Scotland
Great x 4 Grandfather: King James I of Scotland 
son of King Robert III of Scotland
Great x 3 Grandmother: Joan Stewart Countess Morton daughter of King James I of Scotland
Great x 4 Grandmother: Joan Beaufort Queen Consort Scotland 
Great Granddaughter of King Edward III of England
Great x 1 Grandfather: James Douglas 3rd Earl Morton Great Grandson of King James I of Scotland
Great x 4 Grandfather: David Crichton
Great x 3 Grandfather: Patrick Crichton of Cranstoun Riddell
Great x 2 Grandmother: Janet Crichton Countess Morton
Grandmother: Beatrix Douglas Lady Maxwell Granddaughter of King James IV of Scotland
Great x 4 Grandfather: King James II of Scotland son of King James I of Scotland
Great x 3 Grandfather: King James III of Scotland son of King James II of Scotland
Great x 4 Grandmother: Mary of Guelders Queen Consort Scotland 3 x Great Granddaughter of King John "The Good" II of France
Great x 2 Grandfather: King James IV of Scotland son of King James III of Scotland
Great x 4 Grandfather: Christian I King of Denmark 
Great x 3 Grandmother: Margaret Oldenburg Queen Consort Scotland
Great x 4 Grandmother: Dorothea of Brandenburg
Great x 1 Grandmother: Catherine Stewart Countess Morton daughter of King James IV of Scotland
Great x 2 Grandmother: Margaret Boyd
Robert Maxwell 1st Earl Nithsdale 2 x Great Grandson of King James IV of Scotland
Great x 4 Grandfather: George Douglas 4th Earl Angus Great Grandson of King Robert III of Scotland
Great x 3 Grandfather: Archibald "Bell the Cat" Douglas 5th Earl Angus 2 x Great Grandson of King Robert III of Scotland
Great x 4 Grandmother: Isabella Sibbald Countess Angus
Great x 2 Grandfather: George Douglas 3 x Great Grandson of King Robert III of Scotland
Great x 4 Grandfather: Robert Boyd 1st Lord Boyd
Great x 3 Grandmother: Elizabeth Boyd Countess Angus
Great x 1 Grandfather: George Douglas of Pittendreich 4 x Great Grandson of King Robert III of Scotland
Great x 3 Grandfather: John Drummond 1st Lord Drummond
Great x 2 Grandmother: Elizabeth Drummond m Douglas
Grandfather: David Douglas 7th Earl Angus 5 x Great Grandson of King Robert III of Scotland
Great x 2 Grandfather: David Douglas
Great x 1 Grandmother: Elizabeth Douglas
mother: Elizabeth Douglas Countess Morton 3 x Great Granddaughter of King James II of Scotland
Great x 4 Grandfather: James Hamilton
Great x 3 Grandfather: James Hamilton 1st Lord Hamilton
Great x 2 Grandfather: James Hamilton 1st Earl Arran Grandson of King James II of Scotland
Great x 4 Grandfather: King James II of Scotland son of King James I of Scotland
Great x 3 Grandmother: Mary Stewart Countess Arran daughter of King James II of Scotland
Great x 4 Grandmother: Mary of Guelders Queen Consort Scotland 3 x Great Granddaughter of King John "The Good" II of France
Great x 1 Grandfather: John Hamilton of Samuelstown and Clydesdale Great Grandson of King James II of Scotland
Great x 2 Grandmother: Beatrix Drummond
Grandmother: Margaret Hamilton Countess Angus 2 x Great Granddaughter of King James II of Scotland
Great x 4 Grandfather: Alexander Home
Great x 3 Grandfather: Alexander Home 2nd Lord Home
Great x 2 Grandfather: Alexander Home 3rd Lord Home
Great x 1 Grandmother: Janet Home 4 x Great Granddaughter of King Edward III of England
Great x 4 Grandfather: James "Black Knight of Lorn" Stewart 7 x Great Grandson of King David I of Scotland
Great x 3 Grandfather: James Stewart 1st Earl Buchan 2 x Great Grandson of King Edward III of England
Great x 4 Grandmother: Joan Beaufort Queen Consort Scotland Great Granddaughter of King Edward III of England
Great x 2 Grandmother: Agnes Stewart Countess Bothwell 3 x Great Granddaughter of King Edward III of England