Biography of Mary Stewart Countess Mar 1582-1644

On 28 Oct 1572 John Erskine 18th Earl Mar -1572 died at Stirling [Map]. On 28 Oct 1572 His son [her future husband] John Erskine 19th Earl Mar (age 10) succeeded 19th Earl Mar. Anne Drummond Countess Mar 1555-1587 (age 17) by marriage Countess Mar.

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Earldoms of Lennox and March Swapped

On 05 Mar 1580 Robert Stewart 1st Earl Lennox 1st Earl March (age 58) resigned Earl Lennox. On the same day he was created 1st Earl March. Elizabeth Stewart Countess Arran Countess Lennox and March (age 31) by marriage Countess March.


On the same day [her father] Esme Stewart 1st Duke Lennox (age 38) was created 1st Earl Lennox by King James I of England and Ireland and VI of Scotland (age 13) for being his favourite. [her mother]  by marriage Lord Aubigny.

In Oct 1580 [her future husband] John Erskine 19th Earl Mar (age 18) and Anne Drummond Countess Mar 1555-1587 (age 25) were married. He the son of John Erskine 18th Earl Mar -1572.

On 05 Aug 1581 [her father] Esme Stewart 1st Duke Lennox (age 39) was created 1st Duke Lennox. [her mother]  by marriage Duchess Lennox.

Around 1582 Mary Stewart Countess Mar was born to Esme Stewart 1st Duke Lennox (age 40) and .

On 26 May 1583 [her father] Esme Stewart 1st Duke Lennox (age 41) died. His son [her brother] Ludovic Stewart 2nd Duke Lennox 1st Duke Richmond (age 8) succeeded 2nd Duke Lennox, 2nd Earl Lennox.

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In Dec 1592 John Erskine 19th Earl Mar (age 30) and Mary Stewart Countess Mar (age 10) were married. She by marriage Countess Mar. The difference in their ages was 20 years. She the daughter of Esme Stewart 1st Duke Lennox and . He the son of John Erskine 18th Earl Mar -1572. They were third cousin once removed.

In 1594 [her son] James Erskine Earl Buchan 1594-1640 was born to [her husband] John Erskine 19th Earl Mar (age 32) and Mary Stewart Countess Mar (age 12) at Stirling Castle [Map].

On 11 Jan 1597 [her daughter] Anne Erskine Countess of Rothes 1597-1640 was born to [her husband] John Erskine 19th Earl Mar (age 35) and Mary Stewart Countess Mar (age 15) at Stirling Castle [Map].

In 1599 [her daughter] Margaret Erskine Countess Kinghorne 1599-1640 was born to [her husband] John Erskine 19th Earl Mar (age 37) and Mary Stewart Countess Mar (age 17).

On 12 Oct 1609 [her son-in-law] William Keith 6th Earl Marischal 1585-1635 (age 24) and [her daughter] Mary Erskine were married. She the daughter of John Erskine 19th Earl Mar (age 47) and Mary Stewart Countess Mar 1582-1644 (age 27). He the son of George Keith 5th Earl Marischal 1553-1623 (age 56) and Margaret Home Countess Marischal -1598.

On 28 Dec 1614 [her son-in-law] John Leslie 6th Earl Rothes 1600-1641 (age 14) and [her daughter] Anne Erskine Countess of Rothes 1597-1640 (age 17) were married. She by marriage Countess Rothes. She the daughter of John Erskine 19th Earl Mar (age 52) and Mary Stewart Countess Mar 1582-1644 (age 32).

On 18 Jun 1615 [her son] James Erskine Earl Buchan 1594-1640 (age 21) and [her daughter-in-law] Mary Douglas 6th Countess Buchan 1601-1628 (age 14) were married. He by marriage Earl Buchan. She the daughter of James Douglas 5th Earl Buchan 1580-1601. He the son of John Erskine 19th Earl Mar (age 53) and Mary Stewart Countess Mar 1582-1644 (age 33). They were second cousin once removed.

On 09 Jun 1618 [her son-in-law] John Lyon 2nd Earl Kinghorne 1596-1646 (age 22) and [her daughter] Margaret Erskine Countess Kinghorne 1599-1640 (age 19) were married. She by marriage Countess Kinghorne. She the daughter of John Erskine 19th Earl Mar (age 56) and Mary Stewart Countess Mar 1582-1644 (age 36). He the son of Patrick Lyon 1st Earl Kinghorne 1575-1615.

Before 1626 [her son-in-law] Thomas Hamilton 2nd Earl Haddington 1600-1640 (age 25) and [her daughter] Catherine Erskine were married. She the daughter of John Erskine 19th Earl Mar (age 63) and Mary Stewart Countess Mar 1582-1644 (age 43). He the son of Thomas Hamilton 1st Earl Haddington 1563-1637 (age 62).

In or after 1628 [her son] James Erskine Earl Buchan 1594-1640 (age 34) and [her daughter-in-law] Dorothy Knyvet were married. He the son of John Erskine 19th Earl Mar (age 66) and Mary Stewart Countess Mar 1582-1644 (age 46).

On 14 Dec 1634 [her husband] John Erskine 19th Earl Mar (age 72) died. His son [her step-son] John Erskine 20th Earl Mar 1585-1654 (age 49) succeeded 20th Earl Mar.

In 1635 [her daughter] Catherine Erskine died.

In Jul 1639 [her son-in-law] Patrick Maule 1st Earl Panmure (age 54) and [her daughter] Mary Erskine were married. She the daughter of John Erskine 19th Earl Mar and Mary Stewart Countess Mar 1582-1644 (age 57).

In 1644 Mary Stewart Countess Mar (age 62) died.

[her father] Esme Stewart 1st Duke Lennox and [her mother]  were married. He a great x 5 grandson of King Edward III of England.

[her daughter] Mary Erskine was born to John Erskine 19th Earl Mar and Mary Stewart Countess Mar.

[her daughter] Catherine Erskine was born to John Erskine 19th Earl Mar and Mary Stewart Countess Mar.

Family Trees of Mary Stewart Countess Mar 1582-1644

Paternal Family Tree: Stewart

Maternal Family Tree: Catherine Balsac Duchess Lennox

Royal Ancestors of Mary Stewart Countess Mar 1582-1644

Kings Wessex: Great x 15 Grand Daughter of King Edmund "Ironside" I of England

Kings Gwynedd: Great x 12 Grand Daughter of Owain "Great" King Gwynedd 1100-1170

Kings Seisyllwg: Great x 18 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth

Kings Powys: Great x 13 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132

Kings England: Great x 6 Grand Daughter of King Edward III of England

Kings Scotland: Great x 8 Grand Daughter of Robert "The Bruce" I King Scotland

Kings Franks: Great x 12 Grand Daughter of Louis VII King Franks

Kings France: Great x 8 Grand Daughter of Philip "The Fair" IV King France

Ancestors of Mary Stewart Countess Mar 1582-1644

Great x 4 Grandfather: Alan Stewart of Darnley

Great x 3 Grandfather: John Stewart 1st Earl Lennox 1429-1495 13 x Great Grand Son of King Henry I "Beauclerc" England

Great x 4 Grandmother: Catherine Seton 12 x Great Grand Daughter of King Henry I "Beauclerc" England

Great x 2 Grandfather: Matthew Stewart 2nd Earl Lennox -1513 14 x Great Grand Son of King Henry I "Beauclerc" England

Great x 3 Grandmother: Margaret Montgomerie Countess Lennox

Great x 4 Grandmother: Margaret Boyd

Great x 1 Grandfather: John Stewart 3rd Earl Lennox 1490-1526 5 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: James Hamilton

Great x 3 Grandfather: James Hamilton 1st Lord Hamilton

Great x 2 Grandmother: Elizabeth Hamilton Countess Lennox 1474- 4 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: King James II of Scotland 2 x Great Grand Son of King Edward III of England

Great x 3 Grandmother: Mary Stewart Countess Arran 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Mary of Guelders Queen Consort Scotland 1434-1463 6 x Great Grand Daughter of King Edward "Longshanks" I of England

GrandFather: John Stewart Duke Orkney 4 x Great Grand Son of King Edward III of England

Great x 3 Grandfather: James "Black Knight of Lorn" Stewart

Great x 4 Grandmother: Isabel Macdougall

Great x 2 Grandfather: John Stewart 1st Earl Atholl 1440- 2 x Great Grand Son of King Edward III of England

Great x 4 Grandfather: John Beaufort 1st Marquess Somerset and Dorset Grand Son of King Edward III of England

Great x 3 Grandmother: Joan Beaufort Queen Consort Scotland Great Grand Daughter of King Edward III of England

Great x 4 Grandmother: Margaret Holland Duchess Clarence 2 x Great Grand Daughter of King Edward "Longshanks" I of England

Great x 1 Grandmother: Isabel or Elizabeth Stewart Countess Lennox 1495-1564 3 x Great Grand Daughter of King Edward III of England

Great x 4 Grandfather: Henry Sinclair 2nd Earl Orkney

Great x 3 Grandfather: William Sinclair 3rd Earl Orkney 1st Earl Caithness 6 x Great Grand Son of King John "Lackland" of England

Great x 4 Grandmother: Egidia "Fair Maid of Nithsdale" Douglas Countess Orkney 1380-1438 5 x Great Grand Daughter of King John "Lackland" of England

Great x 2 Grandmother: Eleanor Sinclair Countess Atholl 1457-1518 7 x Great Grand Daughter of King John "Lackland" of England

Great x 3 Grandmother:

Father: Esme Stewart 1st Duke Lennox 5 x Great Grand Son of King Edward III of England

GrandMother: Anne Queuille Lady Aubigny

Mary Stewart Countess Mar 1582-1644 6 x Great Grand Daughter of King Edward III of England

Mother: