Biography of William Petty 1st Marquess Lansdowne 1737-1805

Paternal Family Tree: Fitzmaurice

On 02 May 1737 William Petty 1st Marquess Lansdowne was born to John Petty-Fitzmaurice 1st Earl Shelburne (age 31) at Dublin [Map].

On 17 Apr 1751 Henry Petty 1st Earl Shelburne (age 75) died. Earl Shelburne in County Wexford, Baron Shelburne extinct. His estates were inherited by his nephew [his father] John Petty-Fitzmaurice 1st Earl Shelburne (age 45) who changed his surname to Petty-Fitzmaurice.

In 05 Jun 1753 [his father] John Petty-Fitzmaurice 1st Earl Shelburne (age 47) was created 1st Earl Shelburne in County Wexford.

Around 1760 Anne aka Nancy Parsons Viscountess Maynard (age 25) was working as a prostitute with clients including William Petty 1st Marquess Lansdowne (age 22).

On 14 May 1761 [his father] John Petty-Fitzmaurice 1st Earl Shelburne (age 55) died. His son William Petty 1st Marquess Lansdowne (age 24) succeeded 2nd Earl Shelburne in County Wexford.

On 03 Feb 1765 William Petty 1st Marquess Lansdowne (age 27) and Sophia Carteret Countess Shelburne (age 19) were married at Chapel Royal, St James's Palace. She by marriage Countess Shelburne in County Wexford. She the daughter of John Carteret 2nd Earl Granville and Sophia Fermor Countess Granville. He the son of John Petty-Fitzmaurice 1st Earl Shelburne.

On 02 May 1765 [his son] John Petty 2nd Marquess Lansdowne was born to William Petty 1st Marquess Lansdowne (age 28) and [his wife] Sophia Carteret Countess Shelburne (age 19).

On 05 Jan 1771 [his wife] Sophia Carteret Countess Shelburne (age 25) died.

After 05 Jan 1771 William Petty 1st Marquess Lansdowne (age 33) and Louisa Fitzpatrick Marchioness Lansdowne (age 16) were married. She by marriage Countess Shelburne in County Wexford. She the daughter of John Fitzpatrick 1st Earl Upper Ossory and Evelyn Leveson-Gower Countess Upper Ossory. He the son of John Petty-Fitzmaurice 1st Earl Shelburne.

On 02 Jul 1780 [his son] Henry Petty-Fitzmaurice 3rd Marquess Lansdowne was born to William Petty 1st Marquess Lansdowne (age 43) and [his wife] Louisa Fitzpatrick Marchioness Lansdowne (age 25).

On 21 Aug 1780 [his former sister-in-law] Georgiana Caroline Carteret (age 64) died.

1782 Creation of Garter Knights

In 1782 King George III of Great Britain and Ireland (age 43) created new Garter Knights as follows:

596th King William IV of the United Kingdom (age 16),

597th Charles Lennox 3rd Duke Richmond (age 46),

598th William Cavendish 5th Duke Devonshire (age 34),

599th William Petty 1st Marquess Lansdowne (age 44),

600th Charles Manners 4th Duke Rutland (age 27).

In 1784 William Petty 1st Marquess Lansdowne (age 46) was created 1st Marquess Lansdowne. [his wife] Louisa Fitzpatrick Marchioness Lansdowne (age 29) by marriage Marchioness Lansdowne.

On 07 Aug 1789 [his wife] Louisa Fitzpatrick Marchioness Lansdowne (age 34) died.

On 07 May 1805 William Petty 1st Marquess Lansdowne (age 68) died. His son [his son] John Petty 2nd Marquess Lansdowne (age 40) succeeded 2nd Marquess Lansdowne, 3rd Earl Shelburne in County Wexford.

Ancestors of William Petty 1st Marquess Lansdowne 1737-1805

Father: John Petty-Fitzmaurice 1st Earl Shelburne

Great x 1 Grandfather: William Petty

GrandMother: Anne Petty Countess Kerry

Great x 4 Grandfather: Walter Waller of Groombridge

Great x 3 Grandfather: George Waller

Great x 2 Grandfather: Hardress Waller

Great x 1 Grandmother: Elizabeth Waller 1st Baroness Shelburne

William Petty 1st Marquess Lansdowne