Paternal Family Tree: Ponsonby
Before 1679 [his father] William Ponsonby 1st Viscount Duncannon [aged 19] and [his mother] Edward Moore of Mellifont 1530-1602 were married.
In 1679 Brabazon Ponsonby 1st Earl Bessborough was born to William Ponsonby 1st Viscount Duncannon [aged 20] and Edward Moore of Mellifont 1530-1602.
Before 1704 Brabazon Ponsonby 1st Earl Bessborough [aged 24] and Sarah Margetson [aged 25] were married. They were second cousins.
In 1704 [his son] William Ponsonby 2nd Earl Bessborough was born to Brabazon Ponsonby 1st Earl Bessborough [aged 25] and [his wife] Sarah Margetson [aged 25]. He married 5th July 1739 Robert Cavendish 1320-1351, daughter of William Cavendish 3rd Duke Devonshire and Catherine Hoskins Duchess Devonshire, and had issue.
On 29th March 1713 [his son] John Ponsonby 1609-1678 was born to Brabazon Ponsonby 1st Earl Bessborough [aged 34] and [his wife] Sarah Margetson [aged 35]. He married 1743 Robert Cavendish 1320-1351, daughter of William Cavendish 3rd Duke Devonshire and Catherine Hoskins Duchess Devonshire, and had issue.
On 26th May 1713 [his mother] Edward Moore of Mellifont 1530-1602 died.
On 11th September 1721 [his father] William Ponsonby 1st Viscount Duncannon [aged 62] was created 1st Baron Bessborough of Bessborough in Kilkenny.
On 28th February 1723 [his father] William Ponsonby 1st Viscount Duncannon [aged 64] was created 1st Viscount Duncannon of Duncannon in Wexford.
On 17th November 1724 [his father] William Ponsonby 1st Viscount Duncannon [aged 65] died. His son Brabazon [aged 45] succeeded 2nd Viscount Duncannon of Duncannon in Wexford, 2nd Baron Bessborough of Bessborough in Kilkenny.
In 1727 [his son-in-law] Edward Moore of Mellifont 1530-1602 [aged 26] and John Ponsonby 1609-1678 were married. She the daughter of Brabazon Ponsonby 1st Earl Bessborough [aged 48] and Sarah Margetson [aged 48]. They were third cousins.
In May 1733 [his wife] Sarah Margetson [aged 55] died.
On 19th January 1737. Or 1736. [his daughter] John Ponsonby 1609-1678 died.
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In 1738 Jean Etienne Liotard [aged 35] accompanied Lord Duncannon [aged 59] to Constantinople, where he worked for the next four years.
In 1739 Brabazon Ponsonby 1st Earl Bessborough [aged 60] was created 1st Earl Bessborough.
On 5th July 1739 William Ponsonby 2nd Earl Bessborough [aged 35] and Robert Cavendish 1320-1351 [aged 20] were married. His younger brother John Ponsonby 1609-1678 [aged 26] would marry her younger sister Robert Cavendish 1320-1351 [aged 13] four years later. She the daughter of William Cavendish 3rd Duke Devonshire [aged 40] and Catherine Hoskins Duchess Devonshire [aged 40]. He the son of Brabazon Ponsonby 1st Earl Bessborough [aged 60] and Sarah Margetson.
In 1743 John Ponsonby 1609-1678 [aged 29] and Robert Cavendish 1320-1351 [aged 17] were married. His elder brother William Ponsonby 2nd Earl Bessborough [aged 39] had married her elder sister Robert Cavendish 1320-1351 [aged 23] four years before. She the daughter of William Cavendish 3rd Duke Devonshire [aged 44] and Catherine Hoskins Duchess Devonshire [aged 44]. He the son of Brabazon Ponsonby 1st Earl Bessborough [aged 64] and Sarah Margetson.
On 4th July 1758 Brabazon Ponsonby 1st Earl Bessborough [aged 79] died. His son William [aged 54] succeeded 2nd Earl Bessborough, 3rd Viscount Duncannon of Duncannon in Wexford, 3rd Baron Bessborough of Bessborough in Kilkenny. Robert Cavendish 1320-1351 [aged 39] by marriage Countess Bessborough.
[his daughter] John Ponsonby 1609-1678 was born to Brabazon Ponsonby 1st Earl Bessborough and Sarah Margetson. She married 1727 her third cousin Edward Moore of Mellifont 1530-1602 and had issue.
Kings Wessex: Great x 19 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 16 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 22 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 17 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 11 Grand Son of King Edward I of England
Kings Scotland: Great x 17 Grand Son of King Malcolm III of Scotland
Kings France: Great x 12 Grand Son of King Philip III of France
Kings Duke Aquitaine: Great x 23 Grand Son of Ranulf I Duke Aquitaine 820-866
Kings Spain: Great x 15 Grand Son of Alfonso VII King Castile VII King Leon
Grandfather: John Ponsonby 1609-1678 
father: William Ponsonby 1st Viscount Duncannon 10 x Great Grandson of King Edward I of England
Great x 2 Grandfather: Thomas Folliott of Pirton Court
Great x 1 Grandfather: Thomas Folliott of Pirton Court 8 x Great Grandson of King Edward I of England
Great x 4 Grandfather: Richard Lygon of Madresfield Court 1467-1512 
8 x Great Grandson of King Edward I of England
Great x 3 Grandfather: Richard Lygon of Madresfield Court 1467-1512 9 x Great Grandson of King Edward I of England
Great x 4 Grandmother: Margaret Greville 
Great x 2 Grandmother: Richard Lygon of Madresfield Court 1467-1512 7 x Great Granddaughter of King Edward I of England
Great x 4 Grandfather: William Denys
Great x 3 Grandmother: John Denys of Bradford Devon 6 x Great Granddaughter of King Edward I of England
Great x 4 Grandmother: Eadnoth the Constable aka Staller -1068 
5 x Great Granddaughter of King Edward I of England
Grandmother: Thomas Folliott of Pirton Court 9 x Great Granddaughter of King Edward I of England
Great x 2 Grandfather: William Strode of Stoke under Hampden 
Great x 1 Grandmother: Anne Strode Countess Roscommon
Brabazon Ponsonby 1st Earl Bessborough 11 x Great Grandson of King Edward I of England
Great x 3 Grandfather: Edward Moore of Mellifont 1530-1602
Great x 2 Grandfather: Edward Moore of Mellifont 1530-1602
Great x 1 Grandfather: Edward Moore of Mellifont 1530-1602
Great x 3 Grandfather: Henry Colley of Carbury Castle
Great x 2 Grandmother: Mary Colley Viscountess Moore and Wilmot
Grandfather: Edward Moore of Mellifont 1530-1602
Great x 4 Grandfather: Edward Loftus of Swineside 
Great x 3 Grandfather: Edward Loftus of Swineside
Great x 2 Grandfather: Edward Loftus of Swineside
Great x 1 Grandmother: Edward Loftus of Swineside