On 17 Feb 1920 [his father] John Albert William Spencer-Churchill 10th Duke of Marlborough (age 22) and [his mother] Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 (age 19) were married at St Margaret's Church, Westminster [Map]. He the son of Charles Richard John Spencer-Churchill 9th Duke of Marlborough (age 48) and Consuelo Vanderbilt Duchess of Marlborough 1877-1964 (age 42).
On 13 Apr 1926 John Spencer-Churchill 11th Duke of Marlborough was born to John Albert William Spencer-Churchill 10th Duke of Marlborough (age 28) and Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 (age 26).
On 30 Jun 1934 [his grandfather] Charles Richard John Spencer-Churchill 9th Duke of Marlborough (age 62) died. His son [his father] John Albert William Spencer-Churchill 10th Duke of Marlborough (age 36) succeeded 10th Duke Marlborough, 10th Marquess of Blandford, 10th Earl of Marlborough, 10th Baron Churchill of Sandridge in Hertfordshire, 12th Earl of Sunderland, 14th Baron Spencer Wormleighton. [his mother] Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 (age 34) by marriage Duchess Marlborough.
On 19 Oct 1951 John Spencer-Churchill 11th Duke of Marlborough (age 25) and Susan Mary Hornby (age 22) were married. He the son of John Albert William Spencer-Churchill 10th Duke of Marlborough (age 54) and Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 (age 51).
On 24 Nov 1955 [his son] James Spencer-Churchill 12th Duke of Marlborough 1955- was born to John Spencer-Churchill 11th Duke of Marlborough (age 29).
In 1961 John Spencer-Churchill 11th Duke of Marlborough (age 34) and Susan Mary Hornby (age 32) were divorced.
On 23 May 1961 [his mother] Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 (age 61) died.
On 26 Jan 1972 [his father] John Albert William Spencer-Churchill 10th Duke of Marlborough (age 74) and [his step-mother] Frances Laura Charteris Duchess of Marlborough (age 56) were married. She by marriage Duchess Marlborough. He the son of Charles Richard John Spencer-Churchill 9th Duke of Marlborough and Consuelo Vanderbilt Duchess of Marlborough 1877-1964.
On 11 Mar 1972 [his father] John Albert William Spencer-Churchill 10th Duke of Marlborough (age 74) died. His son John Spencer-Churchill 11th Duke of Marlborough (age 45) succeeded 11th Duke Marlborough, 11th Marquess of Blandford, 11th Earl of Marlborough, 11th Baron Churchill of Sandridge in Hertfordshire, 13th Earl of Sunderland, 15th Baron Spencer Wormleighton.
In 2005 [his wife] Susan Mary Hornby (age 76) died.
On 16 Oct 2014 John Spencer-Churchill 11th Duke of Marlborough (age 88) died. His son [his son] James Spencer-Churchill 12th Duke of Marlborough 1955- (age 58) succeeded 12th Duke Marlborough, 12th Marquess of Blandford, 12th Earl of Marlborough, 12th Baron Churchill of Sandridge in Hertfordshire, 14th Earl of Sunderland, 16th Baron Spencer Wormleighton.
Paternal Family Tree: Spencer
Maternal Family Tree: Penelope Chamberlayne Lady Dashwood 1663-1735
Kings Wessex: Great x 25 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 22 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 28 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 23 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 7 Grand Son of King Charles II of England Scotland and Ireland
Kings Scotland: Great x 19 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 22 Grand Son of Louis VII King Franks
Kings France: Great x 9 Grand Son of Henry IV King France
Great x 4 Grandfather: George Spencer-Churchill 5th Duke of Marlborough 1766-1840 12 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: George Spencer-Churchill 6th Duke of Marlborough 13 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Susan Stewart Duchess of Marlborough 1767-1841
13 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: John Winston Spencer-Churchill 7th Duke of Marlborough 1822-1883 14 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: George Stewart 8th Earl Galloway 1768-1834 13 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Jane Stewart Duchess of Marlborough 1798-1844 14 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Jane Paget Countess Galloway 1774-1842
13 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: George Charles Spencer-Churchill 8th Duke of Marlborough 1844-1892 15 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Stewart 1st Marquess Londonderry
Great x 3 Grandfather: Charles William Vane 3rd Marquess Londonderry
Great x 4 Grandmother: Frances Pratt Marchioness Londonderry 1751-1833
Great x 2 Grandmother: Frances Anne Emily Vane Duchess of Marlborough 15 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Henry Vane-Tempest 2nd Baronet 13 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Frances Vane Tempest Marchioness Londonderry 1800-1865 14 x Great Grand Daughter of King Edward III of England
GrandFather: Charles Richard John Spencer-Churchill 9th Duke of Marlborough 5 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: John Hamilton 1st Marquess Abercorn 13 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: James Hamilton 14 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Catherine Moyle Marchioness Abercorn 16 x Great Grand Daughter of King John "Lackland" of England
Great x 2 Grandfather: James Hamilton 1st Duke of Abercorn 1811-1885 14 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Douglas 12 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Harriet Douglas Countess Aberdeen 1792-1833 13 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Frances Lascelles
Great x 1 Grandmother: Albertha Frances Anne Hamilton Duchess of Marlborough 1847-1932 4 x Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Francis Russell
11 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: John Russell 6th Duke Bedford 2 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandmother: Elizabeth Keppel
Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 2 Grandmother: Louisa Jane Russell Duchess Abercorn 1812-1905 3 x Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Alexander Gordon 4th Duke Gordon 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Georgiana Gordon Duchess Bedford 1781-1853 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Jane Maxwell Duchess Gordon
Father: John Albert William Spencer-Churchill 10th Duke of Marlborough 6 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Cornelius van Derbilt
Great x 3 Grandfather: Cornelius "Commodore" Vanderbilt
Great x 4 Grandmother: Phebe Hand
Great x 2 Grandfather: William Henry Vanderbilt
Great x 4 Grandfather: Nathaniel Johnson
Great x 3 Grandmother: Sophia Johnson
Great x 4 Grandmother: Elizabeth Hand
Great x 1 Grandfather: William Kissam Vanderbilt
GrandMother: Consuelo Vanderbilt Duchess of Marlborough 1877-1964
Great x 3 Grandfather: George Smith
Great x 2 Grandfather: Murray Forbes Smith Merchant
Great x 1 Grandmother: Alva Erskine Smith
John Spencer-Churchill 11th Duke of Marlborough 1926-2014 7 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Charles Sloane Cadogan 1st Earl Cadogan
Great x 3 Grandfather: George Cadogan 3rd Earl Cadogan 1783-1864 18 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandmother: Mary Churchill Countess Cadogan 1758-
17 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: Henry Cadogan 4th Earl Cadogan 19 x Great Grand Son of King Edward "Longshanks" I of England
Great x 1 Grandfather: George Cadogan 5th Earl Cadogan 20 x Great Grand Son of King Edward "Longshanks" I of England
Great x 4 Grandfather: Garrett Wellesley 1st Earl Mornington
Great x 3 Grandfather: Reverend Gerald Valerian Wellesley
Great x 4 Grandmother: Anne Hill Countess Mornington 1742-1831
Great x 2 Grandmother: Mary Sarah Wellesley Countess Cadogan 19 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: Charles Sloane Cadogan 1st Earl Cadogan
Great x 3 Grandmother: Emily Maud Cadogan 18 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Mary Churchill Countess Cadogan 1758- 17 x Great Grand Daughter of King Edward "Longshanks" I of England
GrandFather: Henry Arthur Cadogan 6 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: William Craven 6th Baron Craven
Great x 3 Grandfather: William Craven 1st Earl Craven 3 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 4 Grandmother: Elizabeth Berkeley Margrave Brandenburg Ansbach 1750-1828
2 x Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 2 Grandfather: William Craven 2nd Earl Craven 4 x Great Grand Son of King Charles II of England Scotland and Ireland
Great x 1 Grandmother: Beatrix Jane Craven Countess Cadogan 1844-1907 5 x Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: James Grimston 3rd Viscount Grimston
Great x 3 Grandfather: James Walter Grimston 1st Earl Verulam
Great x 2 Grandmother: Emily Mary Grimston Countess Craven 1816-1901
Great x 4 Grandfather: Charles Jenkinson 1st Earl Liverpool
Great x 3 Grandmother: Charlotte Jenkinson Countess Verulam
Mother: Alexandra Mary Cadogan Duchess of Marlborough 1900-1961 7 x Great Grand Daughter of King Charles II of England Scotland and Ireland
Great x 4 Grandfather: Humphrey Sturt
Great x 3 Grandfather: Charles Sturt of Crichel and Brownsea Castle
Great x 4 Grandmother: Mary Pitfield
Great x 2 Grandfather: Henry Charles Sturt 10 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Anthony Ashley-Cooper 4th Earl Shaftesbury
8 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Mary Anne Ashley Cooper 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Mary Bouverie Countess Shaftesbury 1730-1804
Great x 1 Grandfather: Henry Gerard Sturt 1st Baron Alington 10 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Robert Brudenell
7 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: Robert Brudenell 6th Earl Cardigan 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Anne Bisshopp 11 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Charlotte Penelope Brudenell 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: George John Cooke 11 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: 12 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Penelope Bowyer of Harefield Park, London 12 x Great Grand Daughter of King Edward III of England
GrandMother: Mildred Cecilia Sturt Lady Montagu 11 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Charles Bingham 1st Earl Lucan
Great x 3 Grandfather: Richard Bingham 2nd Earl Lucan
Great x 2 Grandfather: George Charles Bingham 3rd Earl Lucan 1800-1888 14 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Henry Belasyse 2nd Earl Fauconberg
12 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Elizabeth Belasyse Duchess Norfolk 13 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Charlotte Lamb Countess Fauconberg 1743-1790
Great x 1 Grandmother: Augusta Bingham Baroness Alington 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Robert Brudenell 7 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: Robert Brudenell 6th Earl Cardigan 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Anne Bisshopp 11 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Anne Brudenell Countess Lucan 1809-1877 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: George John Cooke 11 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: 12 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Penelope Bowyer of Harefield Park, London 12 x Great Grand Daughter of King Edward III of England
