Around 25 Dec 1876 Lettice Mary Elizabeth Grosvenor Countess Beauchamp was born to Victor Alexander Grosvenor (age 23) and Sibell Mary Lumley (age 21).
Before 19 Mar 1879 [her father] Victor Alexander Grosvenor (age 25) and [her mother] Sibell Mary Lumley (age 23) were married. She the daughter of Richard Lumley 9th Earl Scarborough 1813-1884 (age 65) and . He the son of Hugh Lupus Grosvenor 1st Duke Westminster (age 53) and Constance Leveson-Gower Duchess Westminster 1834-1880 (age 44). They were third cousins.
On 22 Jan 1884 [her father] Victor Alexander Grosvenor (age 30) died.
In 1887 [her step-father] George Wyndham (age 23) and [her mother] Sibell Mary Lumley (age 31) were married. She the daughter of Richard Lumley 9th Earl Scarborough 1813-1884 and . He a great x 5 grandson of King Charles II of England Scotland and Ireland. 
On 19 Oct 1889 Robert Gilmour 1st Baronet (age 32) and [her future sister-in-law] Susan Lygon (age 19) were married. She the daughter of Frederick Lygon 6th Earl Beauchamp (age 58) and Mary Catherine Stanhope Countess Beauchamp 1844-1876.
On 19 Feb 1891 Frederick Lygon 6th Earl Beauchamp (age 60) died. His son [her future husband] William Lygon 7th Earl Beauchamp (age 18) succeeded 7th Earl Beauchamp, 7th Viscount Elmley of Worcestershire.
On 06 Oct 1894 Oliver Russell 2nd Baron Ampthill (age 25) and [her future sister-in-law] Margaret Lygon Baroness Ampthill (age 19) were married. She by marriage Baroness Ampthill of Ampthill in Bedfordshire. She the daughter of Frederick Lygon 6th Earl Beauchamp and Mary Catherine Stanhope Countess Beauchamp 1844-1876. He a great x 5 grandson of King Charles II of England Scotland and Ireland. 
On 1902 William Lygon 7th Earl Beauchamp (age 29) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 25) were married. She by marriage Countess Beauchamp. He the son of Frederick Lygon 6th Earl Beauchamp and Mary Catherine Stanhope Countess Beauchamp 1844-1876. They were half third cousin once removed.
On 03 Jul 1903 [her son] William Lygon 8th Earl Beauchamp 1903-1979 was born to [her husband] William Lygon 7th Earl Beauchamp (age 31) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 26).
On 02 Nov 1904 [her son] Hugh Patrick Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 32) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 27).
In 1905 Henry Walter Hepburn-Stuart-Forbes-Trefusis (age 40) and [her sister-in-law] Mary Lygon (age 35) were married. She the daughter of Frederick Lygon 6th Earl Beauchamp and Mary Catherine Stanhope Countess Beauchamp 1844-1876.
On 16 Jun 1906 [her daughter] Lettice Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 34) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 29).
On 10 Oct 1907 [her daughter] Sibell Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 35) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 30).
On 17 Oct 1909 Samuel Hoare 1st Viscount Templewood (age 29) and [her sister-in-law] Maud Lygon (age 27) were married. Their marriage produced no issue. She the daughter of Frederick Lygon 6th Earl Beauchamp and Emily Annora Charlotte Pierrepont Countess Beauchamp 1853-1935 (age 56).
On 12 Feb 1910 [her daughter] Mary Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 37) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 33).
On 22 Feb 1912 [her daughter] Dorothy Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 40) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 35).
On 25 Dec 1916 [her son] Richard Edward Lygon was born to [her husband] William Lygon 7th Earl Beauchamp (age 44) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 40).
On 21 Sep 1927 [her sister-in-law] Mary Lygon (age 58) died.
On 04 Feb 1929 [her mother] Sibell Mary Lumley (age 73) died at Saighton Grange.
On 16 Jun 1930 [her son-in-law] Richard Charles Geers Cotterell 5th Baronet (age 23) and [her daughter] Lettice Lygon (age 24) were married. She the daughter of William Lygon 7th Earl Beauchamp (age 58) and Lettice Mary Elizabeth Grosvenor Countess Beauchamp 1876-1936 (age 53).
On 23 Feb 1936 [her brother-in-law] Henry Lygon (age 51) died unmarried.
On 26 Jul 1936 Lettice Mary Elizabeth Grosvenor Countess Beauchamp (age 59) died estranged from all her children except her youngest [her son] Richard Edward Lygon (age 19).
On 14 Nov 1938 [her former husband] William Lygon 7th Earl Beauchamp (age 66) died at New York. His son [her son] William Lygon 8th Earl Beauchamp 1903-1979 (age 35) succeeded 8th Earl Beauchamp, 8th Viscount Elmley of Worcestershire.
Paternal Family Tree: Grosvenor
Maternal Family Tree: Elizabeth Child 1656-1719
Descendants Family Trees:
Kings Wessex: Great x 24 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 21 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
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 1047-1132
Kings England: Great x 12 Grand Daughter of King Edward IV of England
Kings Scotland: Great x 18 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 21 Grand Daughter of Louis VII King Franks
Kings France: Great x 15 Grand Daughter of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: Robert Grosvenor 6th Baronet
Great x 3 Grandfather: Richard Grosvenor 1st Earl Grosvenor
Great x 4 Grandmother: Jane Warre Lady Grosvenor
Great x 2 Grandfather: Robert Grosvenor 1st Marquess Westminster
Great x 1 Grandfather: Richard Grosvenor 2nd Marquess Westminster 1795-1869 13 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Thomas Egerton 6th Baronet
10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Thomas Egerton 1st Earl Wilton 11 x Great Grand Son of King Edward III of England
Great x 2 Grandmother: Eleanor Egerton Marchioness Westminster 12 x Great Grand Daughter of King Edward III of England
GrandFather: Hugh Lupus Grosvenor 1st Duke Westminster 10 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: John Leveson-Gower 1st Earl Gower 10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Evelyn Pierrepont Baroness Gower
9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: George Granville Leveson-Gower 1st Duke Sutherland 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Scroop Egerton 1st Duke Bridgewater 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Rachel Russell Duchess Bridgewater 10 x Great Grand Daughter of Henry IV King England
Great x 1 Grandmother: Elizabeth Mary Leveson-Gower Marchioness Westminster 1797-1891 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Sutherland 17th Earl Sutherland 1708-1750 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: William Sutherland 18th Earl Sutherland 1735-1766 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Wemyss Countess Sutherland 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland 9 x Great Grand Daughter of King Henry VII of England and Ireland
Father: Victor Alexander Grosvenor 11 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: John Leveson-Gower 1st Earl Gower 10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Evelyn Pierrepont Baroness Gower 9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: George Granville Leveson-Gower 1st Duke Sutherland 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Scroop Egerton 1st Duke Bridgewater 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Rachel Russell Duchess Bridgewater 10 x Great Grand Daughter of Henry IV King England
Great x 1 Grandfather: George Sutherland Leveson-Gower 2nd Duke Sutherland 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: William Sutherland 17th Earl Sutherland 1708-1750 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: William Sutherland 18th Earl Sutherland 1735-1766 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Wemyss Countess Sutherland 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland 9 x Great Grand Daughter of King Henry VII of England and Ireland
GrandMother: Constance Leveson-Gower Duchess Westminster 1834-1880 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Henry Howard 4th Earl Carlisle
10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Frederick Howard 5th Earl Carlisle 11 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Isabella Byron Countess Carlisle 1721-1795
12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: George Howard 6th Earl Carlisle 1773-1848 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Margaret Caroline Leveson-Gower Countess Carlisle -1824 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 1 Grandmother: Harriet Elizabeth Georgiana Howard Duchess Sutherland 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish 4th Duke Devonshire
11 x Great Grand Son of Henry IV King England
Great x 3 Grandfather: William Cavendish 5th Duke Devonshire 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Charlotte Elizabeth Boyle Marchioness Hartington
7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Georgiana Cavendish Countess Carlisle 1783-1858 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: John Spencer 1st Earl Spencer
9 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Georgiana Spencer Duchess Devonshire 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Margaret Georgiana Poyntz Countess Spencer
11 x Great Grand Daughter of King Edward III of England
Lettice Mary Elizabeth Grosvenor Countess Beauchamp 1876-1936 12 x Great Grand Daughter of King Edward IV of England
Great x 4 Grandfather: Thomas Lumley-Saunderson 3rd Earl Scarborough 6 x Great Grand Son of King Edward IV of England
Great x 3 Grandfather: Richard Lumley-Saunderson 4th Earl Scarborough 7 x Great Grand Son of King Edward IV of England
Great x 4 Grandmother: Frances Hamilton Countess Scarborough -1772
10 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Frederick Lumley-Savile 8 x Great Grand Son of King Edward IV of England
Great x 4 Grandfather: George Savile 7th Baronet
13 x Great Grand Son of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Barbara Savile Countess Scarborough 14 x Great Grand Daughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Mary Pratt
Great x 1 Grandfather: Frederick Lumley-Savile 9 x Great Grand Son of King Edward IV of England
GrandFather: Richard Lumley 9th Earl Scarborough 1813-1884 10 x Great Grand Son of King Edward IV of England
Great x 4 Grandfather: Marcus Beresford 1st Earl Tyrone 1694-1763
10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: John Beresford 11 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: Reverend George de la Poer Beresford 12 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Constantia Ligondes
Great x 1 Grandmother: Charlotte Mary Beresford 13 x Great Grand Daughter of King Edward III of England
Mother: Sibell Mary Lumley 11 x Great Grand Daughter of King Edward IV of England
Great x 1 Grandfather: Andrew Robert Drummond
GrandMother: 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: John Manners Marquess of Granby
11 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Charles Manners 4th Duke Rutland 7 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Frances Seymour
6 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandfather: John Henry Manners 5th Duke Rutland 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Charles Noel Somerset 4th Duke Beaufort
11 x Great Grand Son of Henry IV King England
Great x 3 Grandmother: Mary Isabella Somerset Duchess Rutland 1756-1831 12 x Great Grand Daughter of Henry IV King England
Great x 4 Grandmother: Elizabeth Berekeley Duchess Beaufort 1713-1799
13 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 1 Grandmother: Elizabeth Frederica Manners 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Henry Howard 4th Earl Carlisle 10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Frederick Howard 5th Earl Carlisle 11 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Isabella Byron Countess Carlisle 1721-1795 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandmother: Elizabeth Howard Duchess Rutland 1780-1825 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Margaret Caroline Leveson-Gower Countess Carlisle -1824 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland