Paternal Family Tree: Lyon
Maternal Family Tree: Mary Garritt
On 16th July 1881 [her father] Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne [aged 26] and [her mother] Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 18] were married at the Church of St Peter Petersham, Surrey. He the son of [her grandfather] Claude Bowes-Lyon 13th Earl Strathmore and Kinghorne [aged 56] and [her grandmother] Frances Dora Smith Countess Strathmore and Kinghorne [aged 48].
On 6th May 1890 Rose Constance Bowes-Lyon Countess Granville was born to Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne [aged 35] and Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 27].
On 16th February 1904 [her grandfather] Claude Bowes-Lyon 13th Earl Strathmore and Kinghorne [aged 79] died at Bordighera, Imperia. His son [her father] Claude [aged 48] succeeded 14th Earl Strathmore and Kinghorne. [her mother] Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 41] by marriage Countess Strathmore and Kinghorne.
On 21st November 1908 [her brother] Patrick Bowes-Lyon 15th Earl Strathmore and Kinghorne [aged 24] and [her sister-in-law] Dorothy Beatrix Godolphin Osborne [aged 19] were married. She the daughter of George Godolphin Osborne 10th Duke Leeds [aged 46] and Katherine Frances Lambton Duchess Leeds [aged 46]. He the son of [her father] Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne [aged 53] and [her mother] Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 46]. They were fourth cousin once removed.
Evening Standard. Mon, 16 Jun 1913 LATE EARL OF LEVEN AND MELVILLE.
The funeral of the Earl of Leven and Melville [John Leslie-Melville 12th Earl of Leven 11th Earl of Melville [deceased]], who died last week in London from injuries received in an accident in the hunting field, took place in Scotland to-day. A memorial service was held at St. Mary's Church, Bryanston-square, W., this afternoon. Among the congregation were the Duke and Duchess of Somerset, the Marchioness of Salisbury and Lady Beatrice Ormsby-Gore [aged 21], the [her mother] Countess of Strathmore [aged 50] and Lady Rose Bowes-Lyon [aged 23], the Countess of Desart [aged 59], Countess Waldegrave [aged 63], the Countess of Dartrey [aged 51], the Earl [aged 61] and Countess [aged 59] of Verulam, Viscount Althorp [aged 21] and Lady Adelaide Spencer [aged 24], Viscount De Vesci [aged 31], Captain and Lady Nina Balfour, the Dowager Lady Leaconfield, Viscount Maidstone, and Lord Reay.
On 24th May 1916 William Leveson-Gower 4th Earl Granville [aged 35] and Rose Constance Bowes-Lyon Countess Granville [aged 26] were married. She the daughter of Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne [aged 61] and Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 53]. He the son of Granville Leveson-Gower 2nd Earl Granville and Sophia Castila Rosamund Campbell Countess Granville [aged 68]. They were third cousin once removed.
On 12th December 1917 [her daughter] Mary Cecilia Leveson-Gower was born to [her husband] William Leveson-Gower 4th Earl Granville [aged 37] and Rose Constance Bowes-Lyon Countess Granville [aged 27].
On 6th December 1918 [her son] Granville James Leveson-Gower 5th Earl Granville was born to [her husband] William Leveson-Gower 4th Earl Granville [aged 38] and Rose Constance Bowes-Lyon Countess Granville [aged 28]. He married 1958 Doon Aileen Plunket and had issue.
On 30th October 1930 Princess Margaret was baptised at the Chapel Buckingham Palace by Archbishop Cosmo Gordon Lang [aged 65]. Her aunt Rose Constance Bowes-Lyon Countess Granville [aged 40] was godmother.
Chronicle of Walter of Guisborough
A canon regular of the Augustinian Guisborough Priory, Yorkshire, formerly known as The Chronicle of Walter of Hemingburgh, describes the period from 1066 to 1346. Before 1274 the Chronicle is based on other works. Thereafter, the Chronicle is original, and a remarkable source for the events of the time. This book provides a translation of the Chronicle from that date. The Latin source for our translation is the 1849 work edited by Hans Claude Hamilton. Hamilton, in his preface, says: 'In the present work we behold perhaps one of the finest samples of our early chronicles, both as regards the value of the events recorded, and the correctness with which they are detailed; Nor will the pleasing style of composition be lightly passed over by those capable of seeing reflected from it the tokens of a vigorous and cultivated mind, and a favourable specimen of the learning and taste of the age in which it was framed.'
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On 23rd June 1938 [her mother] Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne [aged 75] died.
On 21st July 1939 [her brother-in-law] Granville Leveson-Gower 3rd Earl Granville [aged 67] died without issue. His brother [her husband] William [aged 59] succeeded 4th Earl Granville, 4th Viscount Granville. Rose Constance Bowes-Lyon Countess Granville [aged 49] by marriage Countess Granville.
On 7th November 1944 [her father] Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne [aged 89] died. His son [her brother] Patrick [aged 60] succeeded 15th Earl Strathmore and Kinghorne. [her sister-in-law] Dorothy Beatrix Godolphin Osborne [aged 55] by marriage Countess Strathmore and Kinghorne.
On 25th May 1949 [her brother] Patrick Bowes-Lyon 15th Earl Strathmore and Kinghorne [aged 64] died at Angus. His son [her nephew] Timothy [aged 31] succeeded 16th Earl Strathmore and Kinghorne.
On 25th June 1953 [her husband] William Leveson-Gower 4th Earl Granville [aged 72] died. His son Granville [aged 34] succeeded 5th Earl Granville, 5th Viscount Granville.
In 1958 Granville James Leveson-Gower 5th Earl Granville [aged 39] and Doon Aileen Plunket were married. He the son of William Leveson-Gower 4th Earl Granville and Rose Constance Bowes-Lyon Countess Granville [aged 67].
On 17th November 1967 Rose Constance Bowes-Lyon Countess Granville [aged 77] died.
Kings Wessex: Great x 25 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 21 Grand Daughter of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 27 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 22 Grand Daughter of Maredudd ap Bleddyn King Powys
Kings Godwinson: Great x 26 Grand Daughter of King Harold II of England
Kings England: Great x 12 Grand Daughter of King Henry VII of England and Ireland
Kings Scotland: Great x 14 Grand Daughter of King James I of Scotland
Kings France: Great x 15 Grand Daughter of Charles "Beloved Mad" VI King France
Kings Duke Aquitaine: Great x 29 Grand Daughter of Ranulf I Duke Aquitaine
Kings Spain: Great x 21 Grand Daughter of Alfonso VII King Castile VII King Leon
Great x 4 Grandfather: Thomas Lyon 8th Earl Strathmore and Kinghorne 8 x Great Grandson of King James I of Scotland
Great x 3 Grandfather: John Lyon 9th Earl Strathmore and Kinghorne 9 x Great Grandson of King James I of Scotland
Great x 4 Grandmother: Jean Nicholson
Great x 2 Grandfather: Thomas Lyon Bowes 11th Earl Strathmore and Kinghorne 
10 x Great Grandson of King James I of Scotland
Great x 4 Grandfather: George Bowes
Great x 3 Grandmother: Mary Bowes Countess Strathmore
Great x 4 Grandmother: Mary Gilbert
Great x 1 Grandfather: Thomas George Lyon Bowes 11 x Great Grandson of King James I of Scotland
Great x 3 Grandfather: George Carpenter
Great x 2 Grandmother: Mary Louisa Elizabeth Rodney Carpenter
Grandfather: Claude Bowes-Lyon 13th Earl Strathmore and Kinghorne 12 x Great Grandson of King James I of Scotland
Great x 2 Grandfather: Joseph Valentine Grimstead
Great x 1 Grandmother: Charlotte Grimstead
father: Claude Bowes-Lyon 14th Earl Strathmore and Kinghorne 13 x Great Grandson of King James I of Scotland
Great x 4 Grandfather: Abel Smith
Great x 3 Grandfather: Abel Smith
Great x 4 Grandmother: Jane Beaumont 
Great x 2 Grandfather: George Smith
Great x 1 Grandfather: Oswald Smith
Great x 4 Grandfather: Nicholas Mosley 
Great x 3 Grandfather: John Parker Mosley 1st Baronet
Great x 2 Grandmother: Frances Mary Mosley
Grandmother: Frances Dora Smith Countess Strathmore and Kinghorne
Great x 4 Grandfather: George Hodgson
Great x 3 Grandfather: Robert Hodgson of Congleton
Great x 2 Grandfather: Reverend Robert Hodgson
Great x 4 Grandfather: Robert Porteus Junior
Great x 3 Grandmother: Mildred Porteus
Great x 1 Grandmother: Henrietta Mildred Hodgson
Rose Constance Bowes-Lyon Countess Granville 12 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Henry Bentinck 1st Duke Portland 
11 x Great Grandson of King Edward III of England
Great x 3 Grandfather: William Bentinck 2nd Duke Portland 11 x Great Grandson of King Henry IV of England
Great x 4 Grandmother: Elizabeth Noel Duchess Portland 
10 x Great Granddaughter of King Henry IV of England
Great x 2 Grandfather: William Cavendish-Bentinck 3rd Duke Portland 9 x Great Grandson of King Edward IV of England
Great x 4 Grandfather: Edward Harley 2nd Earl of Oxford and Earl Mortimer 11 x Great Grandson of King Edward III of England
Great x 3 Grandmother: Margaret Cavendish Harley 2nd Duchess Portland 8 x Great Granddaughter of King Edward IV of England
Great x 4 Grandmother: Henrietta Cavendish Holles Countess of Oxford and Mortimer 7 x Great Granddaughter of King Edward IV of England
Great x 1 Grandfather: Charles Cavendish-Bentinck 9 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish 3rd Duke Devonshire 
10 x Great Grandson of King Henry IV of England
Great x 3 Grandfather: William Cavendish 4th Duke Devonshire 11 x Great Grandson of King Henry IV of England
Great x 4 Grandmother: Catherine Hoskins Duchess Devonshire
Great x 2 Grandmother: Dorothy Cavendish 3rd Duchess Portland 8 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Richard Boyle 3rd Earl Burlington 
6 x Great Grandson of King Henry VII of England and Ireland
Great x 3 Grandmother: Charlotte Elizabeth Boyle Marchioness Hartington 7 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Dorothy Savile Countess Burlington 
11 x Great Granddaughter of King Edward III of England
Grandfather: Charles William Frederick Cavendish-Bentinck 10 x Great Grandson of King Henry VII of England and Ireland
Great x 4 Grandfather: Richard Colley aka Wesley 1st Baron Mornington
Great x 3 Grandfather: Garrett Wellesley 1st Earl Mornington
Great x 4 Grandmother: Elizabeth Sale
Great x 2 Grandfather: Richard Wellesley 1st Marquess Wellesley
Great x 4 Grandfather: Arthur Hill aka Hill-Trevor 1st Viscount Dungannon
Great x 3 Grandmother: Anne Hill Countess Mornington
Great x 1 Grandmother: Anne Wellesley Lady Abdy
Great x 3 Grandfather: Pierre Roland
Great x 2 Grandmother: Hyacinthe Gabrielle Roland Marchioness Wellesley
mother: Cecilia Nina Cavendish-Bentinck Countess of Strathmore and Kinghorne 11 x Great Granddaughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Reverend Andrew Burnaby
Great x 3 Grandfather: Archdeacon Andrew Burnaby
Great x 2 Grandfather: Edwyn Andrew Burnaby
Great x 4 Grandfather: John Edwyn
Great x 3 Grandmother: Anna Edwyn
Great x 1 Grandfather: Edwyn Burnaby
Great x 3 Grandfather: Reverend William Browne 
Great x 2 Grandmother: Mary Browne
Great x 3 Grandmother: Mary Adcock
Grandmother: Caroline Louisa Burnaby
Great x 3 Grandfather: Thomas Salisbury
Great x 2 Grandfather: Thomas Salisbury of Marshfield House
Great x 3 Grandmother: Mary Lister 
Great x 1 Grandmother: Anne Caroline Salisbury
Great x 4 Grandfather: John Webb of Church Stanway in Gloucestershire
Great x 3 Grandfather: Francis Webb
Great x 2 Grandmother: Frances Webb
Great x 3 Grandmother: Mary Garritt