On 21 Jan 1764 Catherine Anguish Duchess Leeds was born to Thomas Anguish Lawyer of Great Yarmouth.
On 29 Nov 1773 [her future husband] Francis Osborne 5th Duke Leeds (age 22) and Amelia Darcy 12th Baroness Darcy 9th Baroness Conyers (age 19) were married. She the daughter of Robert Darcy 4th Earl Holderness 1718-1778 (age 55). He the son of Thomas Osborne 4th Duke Leeds (age 60) and Mary Godolphin Duchess Leeds -1764. She a great x 4 granddaughter of King James I of England and Ireland and VI of Scotland. 
In 1788 Francis Osborne 5th Duke Leeds (age 36) and Catherine Anguish Duchess Leeds (age 23) were married. He the son of Thomas Osborne 4th Duke Leeds (age 74) and Mary Godolphin Duchess Leeds -1764.
On 23 Mar 1789 [her father-in-law] Thomas Osborne 4th Duke Leeds (age 75) died at St James' Square. He was buried at the Osborne Family Chapel at All Hallows' Church Harthill [Map]. His son [her husband] Francis Osborne 5th Duke Leeds (age 38) succeeded 5th Duke Leeds, 5th Earl of Danby, 5th Viscount Osborne, 5th Viscount Latimer, 5th Baron Osborne of Kinderton, 6th Baronet Osborne of Kiveton. Catherine Anguish Duchess Leeds (age 25) by marriage Duchess Leeds.
On 17 Aug 1797 [her step-son] George William Frederick Osborne 6th Duke Leeds (age 22) and Charlotte Townshend Duchess Leeds 1776-1856 (age 21) were married. She by marriage Baroness Darcy of Knayth, Baroness Conyers. She the daughter of George Townshend 1st Marquess Townshend (age 73) and Anne Montgomery Marchioness Townshend (age 45). He the son of Francis Osborne 5th Duke Leeds (age 46) and Amelia Darcy 12th Baroness Darcy 9th Baroness Conyers. He a great x 5 grandson of King James I of England and Ireland and VI of Scotland. 
On 31 Jan 1799 [her husband] Francis Osborne 5th Duke Leeds (age 48) died. His son [her step-son] George William Frederick Osborne 6th Duke Leeds (age 23) succeeded 6th Duke Leeds, 6th Earl of Danby, 6th Viscount Osborne, 6th Viscount Latimer, 6th Baron Osborne of Kinderton, 7th Baronet Osborne of Kiveton. Charlotte Townshend Duchess Leeds 1776-1856 (age 22) by marriage Duchess Leeds.
On 31 Mar 1800 [her former step-son] Francis Osborne 1st Baron Godolphin (age 22) and Elizabeth Charlotte Eden Baroness Godolphin (age 20) were married. He the son of Francis Osborne 5th Duke Leeds and Amelia Darcy 12th Baroness Darcy 9th Baroness Conyers. He a great x 5 grandson of King James I of England and Ireland and VI of Scotland.
In 1801 Thomas Pelham 2nd Earl Chichester (age 44) and [her former step-daughter] Mary Henrietta Juliana Osborne Countess Chichester 1776-1862 (age 24) were married. The difference in their ages was 20 years. She the daughter of Francis Osborne 5th Duke Leeds and Amelia Darcy 12th Baroness Darcy 9th Baroness Conyers. He the son of Thomas Pelham 1st Earl Chichester (age 72) and Anne Frankland Countess Chichester 1735-1813 (age 66). She a great x 5 granddaughter of King James I of England and Ireland and VI of Scotland.
In 1813 Catherine Anguish Duchess Leeds (age 48) was appointed Governess to Princess Charlotte Augusta Hanover (age 16).
On 14 May 1832 [her former step-son] Francis Osborne 1st Baron Godolphin (age 54) was created 1st Baron Godolphin of Farnham Royal in Buckinghamshire. Elizabeth Charlotte Eden Baroness Godolphin (age 52) by marriage Baroness Godolphin of Farnham Royal in Buckinghamshire.
On 09 Oct 1837 Catherine Anguish Duchess Leeds (age 73) died.