In Jun 1674 [her father] Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 31) and Mary Bagot Countess Falmouth and Dorset (age 29) were married. He the son of Richard Sackville 5th Earl Dorset (age 51) and Frances Cranfield Countess Dorset (age 52).
In 1675 [her father] Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 31) was created 1st Earl Middlesex, 1st Baron Cranfield of Cranfield in Middlesex. His mother [her grandmother] Frances Cranfield Countess Dorset (age 53) was sister to the last Earl of Middlesex of the previous creation Lionel Cranfield 3rd Earl Middlesex whose estates he had inherited.
On 27 Aug 1677 [her grandfather] Richard Sackville 5th Earl Dorset (age 54) died. His son [her father] Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 34) succeeded 6th Earl Dorset, 6th Baron Buckhurst. Mary Bagot Countess Falmouth and Dorset (age 32) by marriage Countess Dorset.
On 07 Mar 1685 [her father] Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 42) and [her mother] Mary Compton Countess Dorset and Middlesex 1669-1691 (age 16) were married. She by marriage Countess Dorset, Countess Middlesex. The difference in their ages was 25 years. She the daughter of James Compton 3rd Earl of Northampton and Mary Noel Countess Northampton. He the son of Richard Sackville 5th Earl Dorset and Frances Cranfield Countess Dorset (age 63).
In 1689 Mary Sackville 2nd Duchess Beaufort was born to Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 45) and Mary Compton Countess Dorset and Middlesex 1669-1691 (age 20).
On 06 Aug 1691 [her mother] Mary Compton Countess Dorset and Middlesex 1669-1691 (age 22) died of smallpox.
On 21 Jan 1700 Henry Somerset 1st Duke Beaufort (age 71) died at Badminton, Gloucestershire. He was buried at Beaufort Chapel, St George's Chapel, Windsor Castle [Map]. His grandson [her future husband] Henry Somerset 2nd Duke Beaufort (age 15) succeeded 2nd Duke Beaufort, 4th Marquess Worcester, 8th Earl Worcester.
On 07 Jul 1702 Henry Somerset 2nd Duke Beaufort (age 18) and Mary Sackville 2nd Duchess Beaufort (age 13) were married. She by marriage Duchess Beaufort. She the daughter of Charles Sackville 6th Earl Dorset 1st Earl Middlesex (age 59) and Mary Compton Countess Dorset and Middlesex 1669-1691. They were fourth cousins.
In 1705 Mary Sackville 2nd Duchess Beaufort (age 16) died.
On 26 Feb 1706 [her former husband] Henry Somerset 2nd Duke Beaufort (age 21) and Rachel Noel Duchess Beaufort 1687-1709 (age 19) were married. She by marriage Duchess Beaufort. She the daughter of Wriothesley Baptist Noel 2nd Earl Gainsborough 1661-1690 and Catherine Greville Duchess Buckingham and Normandby. They were fourth cousins.
On 14 Sep 1711 [her former husband] Henry Somerset 2nd Duke Beaufort (age 27) and Mary Osborne Duchess Beaufort 1688-1722 (age 23) were married. She by marriage Duchess Beaufort. She the daughter of Peregrine Osborne 2nd Duke Leeds (age 52) and (age 49).
On 24 Apr 1714 [her former husband] Henry Somerset 2nd Duke Beaufort (age 30) died. He was buried at St Michael and all Angels Church, Badminton. His son Henry Somerset 3rd Duke Beaufort 1707-1745 (age 7) succeeded 3rd Duke Beaufort, 5th Marquess Worcester, 9th Earl Worcester.
Paternal Family Tree: Sackville
Maternal Family Tree: Hester Wotton Viscountess Campden 1615-1655
Kings Wessex: Great x 20 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 16 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 22 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 17 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 10 Grand Daughter of King Edward III of England
Kings Scotland: Great x 15 Grand Daughter of William "Lion" I King Scotland
Kings Franks: Great x 16 Grand Daughter of Louis VII King Franks
Kings France: Great x 12 Grand Daughter of Philip "The Fair" IV King France
Great x 4 Grandfather: Richard Sackville 7 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandfather: Thomas Sackville 1st Earl Dorset 8 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Winifred Brydges Marchioness Winchester
Great x 2 Grandfather: Robert Sackville 2nd Earl Dorset 1561-1609 9 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: John Baker
Great x 3 Grandmother: Cicely Baker Countess Dorset
Great x 4 Grandmother: Elizabeth Dinley
Great x 1 Grandfather: Edward Sackville 4th Earl Dorset 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Henry Howard 6 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Thomas Howard 4th Duke of Norfolk
7 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Frances Vere Countess of Surrey
6 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Margaret Howard 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Thomas Audley 1st Baron Audley Walden
Great x 3 Grandmother: Margaret Audley Duchess Norfolk 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Grey Baroness Audley
5 x Great Grand Daughter of King Edward III of England
GrandFather: Richard Sackville 5th Earl Dorset 9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: George Curzon
Great x 2 Grandfather: George Curzon 12 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 4 Grandfather: Rowland Babington
10 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Katherine Babington 11 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Jane Ridge
Great x 1 Grandmother: 13 x Great Grand Daughter of King Henry "Curtmantle" II of England
Father: Charles Sackville 6th Earl Dorset 1st Earl Middlesex 10 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: Thomas Cranfield
Great x 1 Grandfather: Lionel Cranfield 1st Earl Middlesex
GrandMother: Frances Cranfield Countess Dorset
Mary Sackville 2nd Duchess Beaufort 1689-1705 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Peter Compton
Great x 3 Grandfather: Henry Compton 1st Baron Compton 5 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Anne Talbot Countess Pembroke 1523-1588
4 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: William Compton 1st Earl of Northampton 6 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Francis Hastings 2nd Earl Huntingdon
5 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Frances Hastings Baroness Compton 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Catherine Pole Countess Huntingdon 5 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Spencer Compton 2nd Earl of Northampton 7 x Great Grand Son of King Edward III of England
GrandFather: James Compton 3rd Earl of Northampton 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Beaumont
5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Anthony Beaumont 6 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Mary Bassett
13 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandfather: Francis Beaumont 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Armstrong
Great x 3 Grandmother: Anne Armstrong
Great x 1 Grandmother: Mary Beaumont Countess of Northampton 1604-1654 8 x Great Grand Daughter of King Edward III of England
Mother: Mary Compton Countess Dorset and Middlesex 1669-1691 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Andrew Noel
Great x 3 Grandfather: Andrew Noel
Great x 4 Grandmother: Elizabeth Hopton
Great x 2 Grandfather: Edward Noel 2nd Viscount Campden
Great x 4 Grandfather: James Harrington
Great x 3 Grandmother: Mabel Harrington
Great x 4 Grandmother: Lucy Sidney
Great x 1 Grandfather: Baptist Noel 3rd Viscount Campden
Great x 4 Grandfather: Robert Hicks
Great x 3 Grandfather: Baptist Hicks 1st Viscount Campden
Great x 2 Grandmother: Juliana Hicks Viscountess Campden
Great x 4 Grandfather: Richard May
Great x 3 Grandmother: Elizabeth May Viscountess Campden
GrandMother: Mary Noel Countess Northampton
Great x 4 Grandfather: Thomas Wotton
Great x 3 Grandfather: Edward Wotton 1st Baron Wotton
Great x 2 Grandfather: Thomas Wotton 2nd Baron Wotton
Great x 1 Grandmother: Hester Wotton Viscountess Campden