On 06 Dec 1879 William John Cavendish-Scott-Bentinck 5th Duke Portland 1800-1879 (age 79) died unmarried at his London residence Harcourt House Cavendish Square Marylebone. He was buried in Kensal Green Cemetery. His first cousin once removed [his father] William Cavendish-Bentinck 6th Duke Portland (age 21) succeeded 6th Duke Portland, 7th Earl of Portland.
On 11 Jun 1889 [his father] William Cavendish-Bentinck 6th Duke Portland (age 31) and [his mother] Winifred Anna Dallas Yorke Duchess Portland (age 25) were married. She by marriage Duchess Portland.
On 16 Mar 1893 William Arthur Henry Cavendish-Bentinck 7th Duke Portland was born to William Cavendish-Bentinck 6th Duke Portland (age 35) and Winifred Anna Dallas Yorke Duchess Portland (age 29).
On 07 Aug 1893 Augusta Mary Elizabeth Browne 1st Baroness Bolsover (age 58) died. Her step-son [his father] William Cavendish-Bentinck 6th Duke Portland (age 35) succeeded 2nd Baron Bolsover of Bolsover in Derbyshire.
On 12 Aug 1915 William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 22) and Ivy Gordon-Lennox Duchess Portland 1887-1982 (age 28) were married. He the son of William Cavendish-Bentinck 6th Duke Portland (age 57) and Winifred Anna Dallas Yorke Duchess Portland (age 51). They were third cousin once removed.
On 06 Sep 1916 [his daughter] Alexandra Margaret Anne Cavendish-Bentinck was born to William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 23) and [his wife] Ivy Gordon-Lennox Duchess Portland 1887-1982 (age 29).
On 09 Oct 1918 [his daughter] Victoria Margaret Cavendish-Bentinck was born to William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 25) and [his wife] Ivy Gordon-Lennox Duchess Portland 1887-1982 (age 31).
On 26 Apr 1943 [his father] William Cavendish-Bentinck 6th Duke Portland (age 85) died. His son William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 50) succeeded 7th Duke Portland, 8th Earl of Portland, 3rd Baron Bolsover of Bolsover in Derbyshire. [his wife] Ivy Gordon-Lennox Duchess Portland 1887-1982 (age 55) by marriage Duchess Portland.
In 1948 William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 54) was appointed 903rd Knight of the Garter by King George VI of the United Kingdom (age 52).
On 30 Jul 1954 [his mother] Winifred Anna Dallas Yorke Duchess Portland (age 90) died.
On 29 Aug 1955 [his daughter] Victoria Margaret Cavendish-Bentinck (age 36) died.
On 21 Mar 1977 William Arthur Henry Cavendish-Bentinck 7th Duke Portland (age 84) died. His third cousin Ferdinand Cavendish-Bentinck 8th Duke of Portland 1889-1980 (age 87) succeeded 8th Duke Portland, 9th Earl of Portland. Baron Bolsover of Bolsover in Derbyshire extinct.
On 03 Mar 1982 [his former wife] Ivy Gordon-Lennox Duchess Portland 1887-1982 (age 94) died.
Paternal Family Tree: Bentinck
Kings Wessex: Great x 25 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 21 Grand Son of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 27 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 22 Grand Son of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 12 Grand Son of King Henry VII of England and Ireland
Kings Scotland: Great x 20 Grand Son of Robert "The Bruce" I King Scotland
Kings Franks: Great x 21 Grand Son of Louis VII King Franks
Kings France: Great x 15 Grand Son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: Henry Bentinck 1st Duke Portland 1682-1726 11 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Bentinck 2nd Duke Portland 1709-1762 11 x Great Grand Son of Henry IV King England
Great x 4 Grandmother: Elizabeth Noel Duchess Portland 1688-1737
10 x Great Grand Daughter of Henry IV King England
Great x 2 Grandfather: William Cavendish-Bentinck 3rd Duke Portland 9 x Great Grand Son of King Edward IV of England
Great x 4 Grandfather: Edward Harley 2nd Earl of Oxford and Earl Mortimer 11 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Margaret Cavendish Harley 2nd Duchess Portland 1715-1785 8 x Great Grand Daughter of King Edward IV of England
Great x 4 Grandmother: Henrietta Cavendish Holles Countess of Oxford and Mortimer 1694-1755 7 x Great Grand Daughter of King Edward IV of England
Great x 1 Grandfather: Charles Cavendish-Bentinck 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: William Cavendish 3rd Duke Devonshire
10 x Great Grand Son of Henry IV King England
Great x 3 Grandfather: William Cavendish 4th Duke Devonshire 11 x Great Grand Son of Henry IV King England
Great x 2 Grandmother: Dorothy Cavendish 3rd Duchess Portland 1750-1794 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Richard Boyle 3rd Earl Burlington
6 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandmother: Charlotte Elizabeth Boyle Marchioness Hartington 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Dorothy Savile Countess Burlington
11 x Great Grand Daughter of King Edward III of England
GrandFather: Lieutenant-General Arthur Cavendish Bentinck 10 x Great Grand Son 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 1742-1831
Great x 1 Grandmother: Anne Wellesley Lady Abdy
Great x 3 Grandfather: Pierre Roland
Great x 2 Grandmother: Hyacinthe Gabrielle Roland Marchioness Wellesley
Father: William Cavendish-Bentinck 6th Duke Portland 11 x Great Grand Son of King Henry VII of England and Ireland
Great x 1 Grandfather: St Vincent Hawkins Whitshed
GrandMother: Elizabeth Sophia Hawkins Whitshed
William Arthur Henry Cavendish-Bentinck 7th Duke Portland 1893-1977 12 x Great Grand Son of King Henry VII of England and Ireland
GrandFather: Thomas Dallas Yorke
