The Deeds of the Dukes of Normandy

The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.

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Biography of William Petty 1st Marquess Lansdowne 1737-1805

Paternal Family Tree: Fitzmaurice

Before 2nd May 1737 [his father] John Petty-Fitzmaurice 1st Earl Shelburne (age 31) and [his mother] Mary Fitzmaurice Countess Shelburne were married. He the son of [his grandfather] Thomas Fitzmurice 1st Earl Kerry (age 69) and [his grandmother] Anne Petty Countess Kerry. They were half first cousins.

On 2nd May 1737 William Petty 1st Marquess Lansdowne was born to [his father] John Petty-Fitzmaurice 1st Earl Shelburne (age 31) and [his mother] Mary Fitzmaurice Countess Shelburne at Dublin [Map].

Under a Chancery decree of 1739 the park and Bowood House [Map], which Sir Orlando Bridgeman (age 60) had built on it, were acquired by Richard Long, Sir Orlando's principal creditor, who sold them in 1754 to [his father] John Petty (age 33), earl of Shelburne. Petty devised them to his wife [his mother] Mary, who in 1761 or 1762 conveyed them to her son William Petty (age 1), earl of Shelburne (cr. marquess of Lansdowne 1784, d. 1805).

On 17th April 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.

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

On 3rd February 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 and Mary Fitzmaurice Countess Shelburne.

On 2nd 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).

Abbot John Whethamstede’s Chronicle of the Abbey of St Albans

Abbot John Whethamstede's Register aka Chronicle of his second term at the Abbey of St Albans, 1451-1461, is a remarkable text that describes his first-hand experience of the beginning of the Wars of the Roses including the First and Second Battles of St Albans, 1455 and 1461, respectively, their cause, and their consequences, not least on the Abbey itself. His text also includes Loveday, Blore Heath, Northampton, the Act of Accord, Wakefield, and Towton, and ends with the Coronation of King Edward IV. In addition to the events of the Wars of the Roses, Abbot John, or his scribes who wrote the Chronicle, include details in the life of the Abbey such as charters, letters, land exchanges, visits by legates, and disputes, which provide a rich insight into the day-to-day life of the Abbey, and the challenges faced by its Abbot.

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On 5th January 1771 [his wife] Sophia Carteret Countess Shelburne (age 25) died.

After 5th January 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 and Mary Fitzmaurice Countess Shelburne.

In 1777 [his brother] Thomas Fitzmaurice Earl Orkney (age 34) and [his sister-in-law] Mary O'Brien 4th Countess Orkney (age 21) were married. She the daughter of Murrough O'Brien 1st Marquess Thomond (age 51) and Mary O'Brien 3rd Countess Orkney and Inchquin (age 56). He the son of [his father] John Petty-Fitzmaurice 1st Earl Shelburne and [his mother] Mary Fitzmaurice Countess Shelburne.

On 2nd July 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). He married 1808 Louisa Emma Fox-Strangways Marchioness of Lansdowne, daughter of Henry Thomas Fox-Strangways 2nd Earl of Ilchester and Mary Theresa O'Grady Countess of Ilchester, and had issue.

On 9th December 1780 [his mother] Mary Fitzmaurice Countess Shelburne 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 7th August 1789 [his wife] Louisa Fitzpatrick Marchioness Lansdowne (age 34) died.

On 10th May 1790 Mary O'Brien 3rd Countess Orkney and Inchquin (age 69) died. Her daughter [his sister-in-law] Mary (age 34) succeeded 4th Countess Orkney. [his brother] Thomas Fitzmaurice Earl Orkney (age 47) by marriage Earl Orkney.

Jean de Waurin's Chronicle of England Volume 6 Books 3-6: The Wars of the Roses

Jean de Waurin was a French Chronicler, from the Artois region, who was born around 1400, and died around 1474. Waurin’s Chronicle of England, Volume 6, covering the period 1450 to 1471, from which we have selected and translated Chapters relating to the Wars of the Roses, provides a vivid, original, contemporary description of key events some of which he witnessed first-hand, some of which he was told by the key people involved with whom Waurin had a personal relationship.

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On 28th October 1793 [his brother] Thomas Fitzmaurice Earl Orkney (age 51) died.

On 7th May 1805 William Petty 1st Marquess Lansdowne (age 68) died. His son John (age 40) succeeded 2nd Marquess Lansdowne, 3rd Earl Shelburne in County Wexford and inherited Bowood House, Wiltshire [Map].

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

Great x 1 Grandfather: William Fitzmaurice 20th Baron Kerry

GrandFather: William Fitzmaurice

Mother: Mary Fitzmaurice Countess Shelburne

Great x 2 Grandfather: James Brookes of York

Great x 1 Grandfather: John Brookes 1st Baronet

GrandMother: Deborah Brookes

Great x 4 Grandfather: Walter Waller of Groombridge

Great x 3 Grandfather: George Waller

Great x 2 Grandfather: Hardress Waller

Great x 1 Grandmother: Mary Waller