On 28 May 1823 [her father] George Sutherland Leveson-Gower 2nd Duke Sutherland (age 36) and [her mother] Harriet Elizabeth Georgiana Howard Duchess Sutherland (age 17) were married. She the daughter of George Howard 6th Earl Carlisle 1773-1848 (age 49) and Georgiana Cavendish Countess Carlisle 1783-1858 (age 39). He the son of George Granville Leveson-Gower 1st Duke Sutherland (age 65) and Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland (age 58). They were first cousin once removed.
On 15 Apr 1827 Caroline Leveson-Gower Duchess Leinster was born to George Sutherland Leveson-Gower 2nd Duke Sutherland (age 40) and Harriet Elizabeth Georgiana Howard Duchess Sutherland (age 20). Coefficient of inbreeding 3.22%.
On 19 Jul 1833 [her grandfather] George Granville Leveson-Gower 1st Duke Sutherland (age 75) died. His son [her father] George Sutherland Leveson-Gower 2nd Duke Sutherland (age 46) succeeded 2nd Duke Sutherland, 3rd Marquess Stafford, 20th Earl Sutherland, 4th Earl Gower, 5th Baron Gower, 9th Baronet Gower of Stittenham in Yorkshire. [her mother] Harriet Elizabeth Georgiana Howard Duchess Sutherland (age 27) by marriage Duchess Sutherland.
On 29 Jan 1839 [her grandmother] Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland (age 73) died. Her son [her father] George Sutherland Leveson-Gower 2nd Duke Sutherland (age 52) succeeded 20th Earl Sutherland.
On 12 Oct 1847 Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 28) and Caroline Leveson-Gower Duchess Leinster (age 20) were married at Trentham, Staffordshire. She the daughter of George Sutherland Leveson-Gower 2nd Duke Sutherland (age 61) and Harriet Elizabeth Georgiana Howard Duchess Sutherland (age 41). He the son of Augustus Fitzgerald 3rd Duke Leinster 1791-1874 (age 56) and Charlotte Augusta Stanhope Duchess Leinster 1793-1859 (age 54). He a great x 4 grandson of King Charles II of England Scotland and Ireland. 
Around 1848 [her daughter] Geraldine Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 28) and Caroline Leveson-Gower Duchess Leinster (age 20).
Around 1849 [her daughter] Mabel Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 29) and Caroline Leveson-Gower Duchess Leinster (age 21).
On 13 Sep 1850 [her daughter] Mabel Fitzgerald (age 1) died.
On 16 Aug 1851 [her son] Gerald Fitzgerald 5th Duke Leinster 1851-1893 was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 32) and Caroline Leveson-Gower Duchess Leinster (age 24) at Dublin [Map].
On 16 Dec 1852 [her son] Maurice Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 33) and Caroline Leveson-Gower Duchess Leinster (age 25) at Carton House, Carton, Kildare, County Kildare.
On 12 Dec 1853 [her daughter] Alice Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 34) and Caroline Leveson-Gower Duchess Leinster (age 26) at Carton House, Carton, Kildare, County Kildare.
On 11 Jan 1855 [her daughter] Eva Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 35) and Caroline Leveson-Gower Duchess Leinster (age 27) at Kilkea Castle, Castledermot, County Kildare.
On 16 Dec 1855 [her daughter] Mabel Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 36) and Caroline Leveson-Gower Duchess Leinster (age 28) at Kilkea Castle, Castledermot, County Kildare.
On 18 Jan 1857 [her son] Frederick Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 37) and Caroline Leveson-Gower Duchess Leinster (age 29).
On 22 Jan 1858 [her son] Walter Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 38) and Caroline Leveson-Gower Duchess Leinster (age 30).
On 20 Aug 1859 [her son] Charles Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 40) and Caroline Leveson-Gower Duchess Leinster (age 32).
On 27 Feb 1861 [her father] George Sutherland Leveson-Gower 2nd Duke Sutherland (age 74) died at Trentham Hall, Staffordshire. His son [her brother] George Leveson-Gower 3rd Duke Sutherland 1828-1892 (age 32) succeeded 3rd Duke Sutherland, 4th Marquess Stafford, 21st Earl Sutherland, 5th Earl Gower, 6th Baron Gower, 10th Baronet Gower of Stittenham in Yorkshire.
On 16 Feb 1862 [her son] George Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 42) and Caroline Leveson-Gower Duchess Leinster (age 34).
On 09 Jun 1862 [her brother-in-law] Gerald Fitzgerald (age 41) and Anne Agnes Barker were married. He the son of Augustus Fitzgerald 3rd Duke Leinster 1791-1874 (age 70) and Charlotte Augusta Stanhope Duchess Leinster 1793-1859. He a great x 4 grandson of King Charles II of England Scotland and Ireland.
On 09 Aug 1863 [her son] Henry Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 44) and Caroline Leveson-Gower Duchess Leinster (age 36) at Kilkea Castle, Castledermot, County Kildare.
On 05 Apr 1865 [her daughter] Nesta Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 46) and Caroline Leveson-Gower Duchess Leinster (age 37) at Kilkea Castle, Castledermot, County Kildare.
Around 1866 [her daughter] Margaret Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 46) and Caroline Leveson-Gower Duchess Leinster (age 38).
On 26 Oct 1867 [her daughter] Margaret Fitzgerald (age 1) died.
On 15 Nov 1867 [her daughter] Geraldine Fitzgerald (age 19) died.
On 27 Oct 1868 [her mother] Harriet Elizabeth Georgiana Howard Duchess Sutherland (age 62) died.
On 23 Dec 1868 [her son] Robert Fitzgerald was born to [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 49) and Caroline Leveson-Gower Duchess Leinster (age 41).
On 23 Dec 1868 [her son] Robert Fitzgerald died.
On 10 Feb 1874 [her father-in-law] Augustus Fitzgerald 3rd Duke Leinster 1791-1874 (age 82) died. His son [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 54) succeeded 4th Duke Leinster. Caroline Leveson-Gower Duchess Leinster (age 46) by marriage Duchess Leinster.
On 13 Apr 1880 [her son] Maurice Fitzgerald (age 27) and [her daughter-in-law] Adelaide Forbes (age 19) were married at Longford, County Longford. She the daughter of George Arthur Hastings Forbes 7th Earl Granard 1833-1889 (age 46). He the son of Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 61) and Caroline Leveson-Gower Duchess Leinster 1827-1887 (age 52). He a great x 5 grandson of King Charles II of England Scotland and Ireland.
On 02 May 1882 [her son-in-law] Charles John Oswald Fitzgerald (age 42) and [her daughter] Alice Fitzgerald (age 28) were married at Carton House, Carton, Kildare, County Kildare. She the daughter of Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 63) and Caroline Leveson-Gower Duchess Leinster 1827-1887 (age 55). She a great x 5 granddaughter of King Charles II of England Scotland and Ireland.
Before 19 Nov 1882 [her brother-in-law] Otho Augustus Fitzgerald (age 55) and Ursula Lucy Grace Bridgeman (deceased) were married. He the son of Augustus Fitzgerald 3rd Duke Leinster 1791-1874 and Charlotte Augusta Stanhope Duchess Leinster 1793-1859. He a great x 4 grandson of King Charles II of England Scotland and Ireland. 
On 19 Nov 1882 [her brother-in-law] Otho Augustus Fitzgerald (age 55) died.
On 17 Jan 1884 [her son] Gerald Fitzgerald 5th Duke Leinster 1851-1893 (age 32) and [her daughter-in-law] Hermione Wilhelmina Duncombe Duchess Leinster 1864-1895 (age 19) were married. She the daughter of William Duncombe 1st Earl Feversham (age 54) and Mabel Violet Graham Countess Feversham (age 50). He the son of Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 64) and Caroline Leveson-Gower Duchess Leinster 1827-1887 (age 56). He a great x 5 grandson of King Charles II of England Scotland and Ireland. 
On 23 Sep 1886 [her brother-in-law] Gerald Fitzgerald (age 65) died.
On 10 Feb 1887, coincidentally the same day his father died, 10 February, [her husband] Charles William Fitzgerald Fitzgerald 4th Duke Leinster 1819-1887 (age 67) died at Carton House, Carton, Kildare, County Kildare. His son [her son] Gerald Fitzgerald 5th Duke Leinster 1851-1893 (age 35) succeeded 5th Duke Leinster. [her daughter-in-law] Hermione Wilhelmina Duncombe Duchess Leinster 1864-1895 (age 22) by marriage Duchess Leinster.
On 13 May 1887 Caroline Leveson-Gower Duchess Leinster (age 60) died.
Paternal Family Tree: Gower
Maternal Family Tree: Anna Maria Mordaunt 1771
Descendants Family Trees:
Kings Wessex: Great x 23 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 19 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 25 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 20 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 10 Grand Daughter of King Henry VII of England and Ireland
Kings Scotland: Great x 16 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 19 Grand Daughter of Louis VII King Franks
Kings France: Great x 13 Grand Daughter of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: William Leveson-Gower 4th Baronet
Great x 3 Grandfather: John Leveson-Gower 1st Baron Gower
Great x 4 Grandmother: Jane Granville Baroness Gower
Great x 2 Grandfather: John Leveson-Gower 1st Earl Gower 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Manners 1st Duke Rutland
8 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Catherine Manners Baroness Gower 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Catherine Noel Duchess Rutland
11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 1 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Pierrepont
9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Evelyn Pierrepont 1st Duke Kingston upon Hull 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Elizabeth Evelyn
Great x 2 Grandmother: Evelyn Pierrepont Baroness Gower 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: William Feilding 2nd Earl Desmond 3rd Earl Denbigh 1640-1685
7 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Mary Fielding Countess Kingston upon Hull 1668-1697 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Mary Carey Countess Desmond and Denbigh 1632-1682
8 x Great Grand Daughter of King Edward III of England
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: John Egerton 2nd Earl Bridgewater
4 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: John Egerton 3rd Earl Bridgewater 1646-1701 5 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Elizabeth Cavendish Countess Bridgewater 1627-1663 5 x Great Grand Daughter of King Edward IV of England
Great x 2 Grandfather: Scroop Egerton 1st Duke Bridgewater 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Charles Paulet 1st Duke Bolton
9 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Jane Paulet Countess Bridgewater 1656-1716 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Mary Scrope 6th Marchioness Winchester -1680
8 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Russell
10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Wriothesley Russell 2nd Duke Bedford 1680-1711 9 x Great Grand Son of Henry IV King England
Great x 4 Grandmother: Rachel Wriothesley
8 x Great Grand Daughter of Henry IV King England
Great x 2 Grandmother: Rachel Russell Duchess Bridgewater 10 x Great Grand Daughter of Henry IV King England
Father: George Sutherland Leveson-Gower 2nd Duke Sutherland 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: John Sutherland 16th Earl Sutherland 1661-1733 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: William Gordon aka Sutherland 7 x Great Grand Son of King Henry VII of England and Ireland
Great x 2 Grandfather: William Sutherland 17th Earl Sutherland 1708-1750 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 1 Grandfather: William Sutherland 18th Earl Sutherland 1735-1766 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: James Wemyss 1st Lord Burntisland 1656-1682
Great x 3 Grandfather: David Wemyss 4th Earl Wemyss 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Margaret Wemyss Countess Cromartie 3rd Countess Wemyss 5 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 2 Grandmother: Elizabeth Wemyss Countess Sutherland 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Henry St Clair
Great x 3 Grandmother: Elizabeth St Clair
GrandMother: Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland 9 x Great Grand Daughter of King Henry VII of England and Ireland
Caroline Leveson-Gower Duchess Leinster 1827-1887 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Edward Howard 2nd Earl Carlisle 10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Charles Howard 3rd Earl Carlisle 1669-1738 9 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: Henry Howard 4th Earl Carlisle 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Arthur Capell 1st Earl Essex 9 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Capell Countess Carlisle 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Elizabeth Percy Countess Essex
8 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: Frederick Howard 5th Earl Carlisle 11 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Byron 3rd Baron Byron
Great x 3 Grandfather: William Byron 4th Baron Byron 14 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandmother: Elizabeth Chaworth Baroness Byron
13 x Great Grand Daughter of King John "Lackland" of England
Great x 2 Grandmother: Isabella Byron Countess Carlisle 1721-1795 12 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandfather: William Berkeley 4th Baron Berkeley
10 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Frances Berkeley Baroness Byron 11 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 4 Grandmother: Frances Temple Baroness Berkeley
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: John Leveson-Gower 1st Baron Gower
Great x 3 Grandfather: John Leveson-Gower 1st Earl Gower 10 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Catherine Manners Baroness Gower 9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: Granville Leveson-Gower 1st Marquess Stafford 10 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Evelyn Pierrepont 1st Duke Kingston upon Hull 10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Evelyn Pierrepont Baroness Gower 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Mary Fielding Countess Kingston upon Hull 1668-1697 8 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Margaret Caroline Leveson-Gower Countess Carlisle -1824 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: John Egerton 3rd Earl Bridgewater 1646-1701 5 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: Scroop Egerton 1st Duke Bridgewater 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Jane Paulet Countess Bridgewater 1656-1716 9 x Great Grand Daughter of King Edward III of England
Great x 2 Grandmother: Louisa Egerton Countess Gower 1723-1761 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Wriothesley Russell 2nd Duke Bedford 1680-1711 9 x Great Grand Son of Henry IV King England
Great x 3 Grandmother: Rachel Russell Duchess Bridgewater 10 x Great Grand Daughter of Henry IV King England
Mother: 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 2nd Duke Devonshire 10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: William Cavendish 3rd Duke Devonshire 10 x Great Grand Son of Henry IV King England
Great x 4 Grandmother: Rachel Russell Duchess Devonshire 1674-1725 9 x Great Grand Daughter of Henry IV King England
Great x 2 Grandfather: William Cavendish 4th Duke Devonshire 11 x Great Grand Son of Henry IV King England
Great x 1 Grandfather: William Cavendish 5th Duke Devonshire 8 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: Charles Boyle 2nd Earl Burlington
5 x Great Grand Son of King Henry VII of England and Ireland
Great x 3 Grandfather: Richard Boyle 3rd Earl Burlington 6 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandmother: Juliana Noel Countess Burlington 1672-1750
Great x 2 Grandmother: Charlotte Elizabeth Boyle Marchioness Hartington 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Savile 2nd Marquess Halifax 1665-1700
10 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Dorothy Savile Countess Burlington 11 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Mary Finch Duchess Roxburghe 1677-
10 x Great Grand Daughter of King Edward III of England
GrandMother: Georgiana Cavendish Countess Carlisle 1783-1858 9 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: Charles Spencer 3rd Earl of Sunderland
10 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: John Spencer 11 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Anne Churchill Countess Sunderland 1683-1716
15 x Great Grand Daughter of King Edward "Longshanks" I of England
Great x 2 Grandfather: John Spencer 1st Earl Spencer 9 x Great Grand Son of King Henry VII of England and Ireland
Great x 4 Grandfather: John Carteret 2nd Earl Granville
13 x Great Grand Son of King Edward "Longshanks" I of England
Great x 3 Grandmother: Georgiana Caroline Carteret 1716-1780 8 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandmother: Frances Worsley Countess Granville 1693-1743 7 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 1 Grandmother: Georgiana Spencer Duchess Devonshire 10 x Great Grand Daughter of King Henry VII of England and Ireland
Great x 4 Grandfather: William Poyntz
12 x Great Grand Son of King Henry III of England
Great x 3 Grandfather: Stephen Poyntz 13 x Great Grand Son of King Henry III of England
Great x 2 Grandmother: Margaret Georgiana Poyntz Countess Spencer 11 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Lewis Mordaunt
9 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anna Maria Mordaunt 10 x Great Grand Daughter of King Edward III of England