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Family: Cavendish Bentinck, William Henry Cavendish 3rd Duke of Portland KG PC FRS / Cavendish, Lady Dorothy Duchess of Portland (F3830)

m. 8 Nov 1766

• Male Cavendish Bentinck, William Henry Cavendish 3rd Duke of Portland KG PC FRS

  
  

  Birth	14 Apr 1738	Nottinghamshire, England	LDS Ordinances	Date	Place
  Christening			Baptized (LDS)
  Death	30 Oct 1809	Buckinghamshire, England	Endowed (LDS)
  Burial	9 Nov 1809	Marylebone, Middlesex, England	Sealed P (LDS)
  Marriage	8 Nov 1766  [1, 2]	Westminster, Middlesex, England  [1, 2]	Sealed S (LDS)
  Father	Bentinck, William 2nd Duke of Portland KG | F3356 Group Sheet
  Mother	Harley, Lady Margaret Duchess of Portland | F3356 Group Sheet

  
  

  Female Cavendish, Lady Dorothy Duchess of Portland

  
  

  Birth	27 Aug 1750	Devon, England	LDS Ordinances	Date	Place
  Christening			Baptized (LDS)
  Death	3 Jun 1794	London, England	Endowed (LDS)
  Burial		Marylebone, Middlesex, England	Sealed P (LDS)
  Father	Cavendish, William 4th Duke of Devonshire KG PC | F3843 Group Sheet
  Mother	Boyle, Lady Charlotte Elizabeth 6th Baroness Clifford (suo jure) Marchioness of Hartington | F3843 Group Sheet

  
  

  Female + Cavendish Bentinck, Lady Charlotte Lady Charlotte Greville

  
  

  Birth	2 Oct 1775		LDS Ordinances	Date	Place
  Christening			Baptized (LDS)
  Death	28 Jul 1862	Epsom, Surrey, England	Endowed (LDS)
  Burial			Sealed P (LDS)
  Spouse	Greville, Capt Charles | F7452
  Marriage	31 Mar 1793	London, England	Sealed S (LDS)

  
  

  Male + Cavendish Bentinck, Col Lord William Charles Augustus MP

  
  

  Birth	20 May 1780	Nottinghamshire, England	LDS Ordinances	Date	Place
  Christening			Baptized (LDS)
  Death	28 Apr 1826	Westminster, Middlesex, England	Endowed (LDS)
  Burial	3 May 1826	St Marylebone, Middlesex, England	Sealed P (LDS)
  Spouse	Seymour, Georgiana Augusta Frederica | F3744
  Marriage	21 Sep 1808	Chester, Cheshire, England	Sealed S (LDS)
  Spouse	Wellesley, Lady Anne Lady Anne Abdy Lady Anne Cavendish Bentinck | F3743
  Marriage	23 Jul 1816	St Martin in the Fields, Middlesex, England	Sealed S (LDS)

  
  

  Male Cavendish Bentinck, Gen Lord Frederick MP

  
  

  Birth	21 Nov 1781	Worksop, Nottinghamshire, England	LDS Ordinances	Date	Place
  Christening			Baptized (LDS)
  Death	11 Feb 1828	Roma, Roma, Lazio, Italy	Endowed (LDS)
  Burial		Lowther, Westmorland, England	Sealed P (LDS)
  Spouse	Lowther, Lady Mary Lady Mary Cavendish Bentinck | F2095
  Marriage	16 Sep 1820	St George Hanover Square Knightsbridge, London, England	Sealed S (LDS)

  
  

• Sources

  [S225782551] Ancestry.com, Westminster, London, England, Church of England Marriages and Banns, 1754-1935, (Ancestry.com Operations, Inc.), City of Westminster Archives Centre; London, England; Westminster Church of England Parish Registers; Reference: STJ/PR/1/1. [S225782496] Ancestry.com, England, Select Marriages, 1538–1973, (Ancestry.com Operations, Inc.).