Paternal Family Tree: Cadogan
On 1st August 1671 [his father] Henry Cadogan [aged 29] and [his mother] Bridget Waller [aged 32] were married.
In 1672 William Cadogan 1st Earl Cadogan was born to Henry Cadogan [aged 30] and Bridget Waller [aged 33].
In April 1704 William Cadogan 1st Earl Cadogan [aged 32] and Margaret Cecilia Munter Countess Cadogan were married at The Hague.
In 1705 William Cadogan 1st Earl Cadogan [aged 33] was elected MP Woodstock.
On 18th September 1705 [his daughter] Sarah Cadogan Duchess Richmond was born to William Cadogan 1st Earl Cadogan [aged 33] and [his wife] Margaret Cecilia Munter Countess Cadogan. She married 4th December 1719 Charles Lennox 2nd Duke Richmond, son of Charles Lennox 1st Duke Richmond and Anne Brudenell Duchess Richmond, and had issue.
On 21st February 1707 [his daughter] Margaret Cadogan was born to William Cadogan 1st Earl Cadogan [aged 35] and [his wife] Margaret Cecilia Munter Countess Cadogan. She married 11th January 1738 Charles John Bentinck, son of William Bentinck 1st Earl of Portland and Jane Martha Temple Countess Portland.
In 1714 William Cadogan 1st Earl Cadogan [aged 42] was appointed Master of the Robes.
In 1714 [his father] Henry Cadogan [aged 72] died.
On 21st June 1716 William Cadogan 1st Earl Cadogan [aged 44] was created 1st Baron Cadogan. [his wife] Margaret Cecilia Munter Countess Cadogan by marriage Baroness Cadogan.
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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On 26th July 1717 [his brother] Charles Cadogan 2nd Baron Cadogan [aged 32] and [his sister-in-law] Elizabeth Sloane Baroness Cadogan [aged 22] were married at Church of St George the Martyr, Queen Square. The marriage transferred the 250-acre (1.0 km2) Sloane estate in suburban Chelsea to the Cadogan family, which has been the basis of the family wealth ever since.
On 8th May 1718 William Cadogan 1st Earl Cadogan [aged 46] was created 1st Earl Cadogan. [his wife] Margaret Cecilia Munter Countess Cadogan by marriage Countess Cadogan.
On 4th December 1719 [his son-in-law] Charles Lennox 2nd Duke Richmond [aged 18] and Sarah Cadogan Duchess Richmond [aged 14] were married at The Hague. He was, apparently, forced into the marriage to pay off his, or his father's debts since she brought a considerable dowry. She the daughter of William Cadogan 1st Earl Cadogan [aged 47] and Margaret Cecilia Munter Countess Cadogan. He the son of Charles Lennox 1st Duke Richmond [aged 47] and Anne Brudenell Duchess Richmond [aged 48].
In December 1721 [his mother] Bridget Waller [aged 82] died.
On 17th July 1726 William Cadogan 1st Earl Cadogan [aged 54] died without male issue. Earl Cadogan extinct. His brother Charles [aged 41] succeeded 2nd Baron Cadogan. Elizabeth Sloane Baroness Cadogan [aged 31] by marriage Baroness Cadogan.
Great x 1 Grandfather: Henry Cadogan 
Grandfather: William Cadogan
father: Henry Cadogan
William Cadogan 1st Earl Cadogan
Great x 4 Grandfather: William Waller of Groombridge
Great x 3 Grandfather: William Waller of Groombridge
Great x 2 Grandfather: Walter Waller of Groombridge
Great x 1 Grandfather: George Waller
Grandfather: Hardress Waller
mother: Bridget Waller