Mary Cavendish-Bentin
1778 - Yes, date unknown
1. Mary Cavendish-Bentin was born on 18 Mar 1778 (daughter of Prime Minister William Henry (3rd Duke of Portland) Cavendish-Bentinck and Dorothea Cavendish); and died.
2. Prime Minister William Henry (3rd Duke of Portland) Cavendish-Bentinck was born on 14 Apr 1738 (son of William (2nd Duke of Portland) Bentinck and Margaret Cavendish-Harley); died on 30 Oct 1809. William + Dorothea Cavendish. Dorothea (daughter of William (4th Duke of Devonshire) Cavendish and Charlotte Elizabeth (Baroness Clifford) Boyle) was born on 17 Aug 1750; died on 3 Jun 1794. [Group Sheet] [Family Chart]
3. Dorothea Cavendish was born on 17 Aug 1750 (daughter of William (4th Duke of Devonshire) Cavendish and Charlotte Elizabeth (Baroness Clifford) Boyle); died on 3 Jun 1794. Children:
- William Henry (4th Duke of Portland) Cavendish-Bentinck was born on 24 Jun 1768; died on 27 Mar 1854.
- Lord William Henry Cavendish-Bentinck was born in 1774; died in 1839.
- Charlotte Cavendish-Bentin was born on 3 Oct 1775; and died.
- 1. Mary Cavendish-Bentin was born on 18 Mar 1778; and died.
- Lord William Charles Augustus Cavendish-Bentinck was born on 3 Oct 1780; died in 1826; was buried on 28 Apr 1826.
- Lord Frederick Cavendish-Bentinck was born in 1781; died in 1828.
Generation: 3
4. William (2nd Duke of Portland) Bentinck was born on 1 Mar 1708 (son of Henry (1st Duke of Portland) Bentinck and Elizabeth (of Gainsborough ) Noel); died on 1 May 1762. William married Margaret Cavendish-Harley on 11 Jul 1734. Margaret (daughter of Edward (2nd Earl of Oxford) Harley and Henrietta Cavendish-Holles) was born in 1716; died on 17 Jul 1785. [Group Sheet] [Family Chart]
5. Margaret Cavendish-Harley was born in 1716 (daughter of Edward (2nd Earl of Oxford) Harley and Henrietta Cavendish-Holles); died on 17 Jul 1785. Children:
- Elizabeth Cavendish-Bentinck was born on 27 Jul 1735; and died.
- Henrietta Cavendish-Bentinck was born on 8 Feb 1737; and died.
- 2. Prime Minister William Henry (3rd Duke of Portland) Cavendish-Bentinck was born on 14 Apr 1738; died on 30 Oct 1809.
- Edward Charles Bentinck was born on 3 Mar 1744; and died.
6. William (4th Duke of Devonshire) Cavendish was born in 1720 (son of William (3rd Duke of Devonshire) Cavendish and Catherine Hoskins); died on 2 Oct 1764; was buried in All Saint's, Derby. William + Charlotte Elizabeth (Baroness Clifford) Boyle. Charlotte (daughter of Richard (4th Earl of Cork) Boyle and Dorothy (of Halifax) Saville) was born on 27 Oct 1731; and died. [Group Sheet] [Family Chart]
7. Charlotte Elizabeth (Baroness Clifford) Boyle was born on 27 Oct 1731 (daughter of Richard (4th Earl of Cork) Boyle and Dorothy (of Halifax) Saville); and died. Children:
- William (5th Duke of Devonshire) Cavendish was born on 14 Dec 1748; died on 29 Jul 1811.
- Richard Cavendish and died.
- 3. Dorothea Cavendish was born on 17 Aug 1750; died on 3 Jun 1794.
- George Augustus (1st Earl of Burlington) Cavendish was born on 31 Mar 1754; died on 10 Sep 1831.
Generation: 4
8. Henry (1st Duke of Portland) Bentinck was born on 17 May 1682 (son of Hans William (1st Earl of Portland) Bentinck and Anne Villers); died on 4 Jul 1726. Henry married Elizabeth (of Gainsborough ) Noel on 9 Jun 1704. Elizabeth (daughter of Wriothesley (2nd Earl of Gainsborough) Noel and Catherine (of Brooke) Greville) died on 19 Mar 1737. [Group Sheet] [Family Chart]
9. Elizabeth (of Gainsborough ) Noel (daughter of Wriothesley (2nd Earl of Gainsborough) Noel and Catherine (of Brooke) Greville); died on 19 Mar 1737. Children:
- 4. William (2nd Duke of Portland) Bentinck was born on 1 Mar 1708; died on 1 May 1762.
- Anne Bentinck and died.
- Isabella Bentinck and died.
- George Bentinck and died.
- Amelia Bentinck and died.
10. Edward (2nd Earl of Oxford) Harley was born on 2 Jun 1689 (son of Robert (1st Earl of Oxford) Harley and Edith Foley); died in 1741. Edward married Henrietta Cavendish-Holles on 31 Aug 1713. Henrietta (daughter of John (Duke of Newcastle) Holles and Margaret Cavendish) was born on 11 Feb 1693; died on 26 Dec 1755. [Group Sheet] [Family Chart]
11. Henrietta Cavendish-Holles was born on 11 Feb 1693 (daughter of John (Duke of Newcastle) Holles and Margaret Cavendish); died on 26 Dec 1755. Children:
- 5. Margaret Cavendish-Harley was born in 1716; died on 17 Jul 1785.
12. William (3rd Duke of Devonshire) Cavendish was born in 1698 (son of William (2nd Duke of Devonshire) Cavendish and Rachel Russell); died on 5 Dec 1755. William married Catherine Hoskins on 27 Mar 1718. Catherine (daughter of John Hoskins and Catherine Hale) died on 8 May 1777. [Group Sheet] [Family Chart]
13. Catherine Hoskins (daughter of John Hoskins and Catherine Hale); died on 8 May 1777. Children:
- 6. William (4th Duke of Devonshire) Cavendish was born in 1720; died on 2 Oct 1764; was buried in All Saint's, Derby.
- Caroline (of Devonshire) Cavendish was born on 22 May 1719 in Hardwick, Derbyshire, England; died on 20 Jan 1760 in Derby, Derbyshire, England.
- Elizabeth (of Devonshire) Cavendish and died.
14. Richard (4th Earl of Cork) Boyle was born on 25 Apr 1695 (son of Charles (Earl of Burlington & Earl of Cork) Boyle and Juliana Noel); died on 3 Dec 1753. Richard married Dorothy (of Halifax) Saville on 21 Mar 1721. Dorothy (daughter of William (2nd Marquess of Halifax) Saville and Mary (of Nottingham & Winchilsea) Finch) died on 21 Sep 1758. [Group Sheet] [Family Chart]
15. Dorothy (of Halifax) Saville (daughter of William (2nd Marquess of Halifax) Saville and Mary (of Nottingham & Winchilsea) Finch); died on 21 Sep 1758. Children:
- 7. Charlotte Elizabeth (Baroness Clifford) Boyle was born on 27 Oct 1731; and died.