Paternal Family Tree: William Ponsonby 1st Viscount Duncannon
On 7th May 1640 Richard Wingfield and [his mother] Elizabeth Folliot [aged 20] were married. She the daughter of [his grandfather] Henry Folliott 1st Baron Folliott and [his grandmother] Anne Strode Countess Roscommon. They were half sixth cousins.
On 12th April 1646 Edward Trevor and [his mother] Elizabeth Folliot [aged 26] were married. She the daughter of [his grandfather] Henry Folliott 1st Baron Folliott and [his grandmother] Anne Strode Countess Roscommon.
In 1658 [his father] John Ponsonby [aged 49] and [his mother] Elizabeth Folliot [aged 38] were married. She the daughter of [his grandfather] Henry Folliott 1st Baron Folliott and [his grandmother] Anne Strode Countess Roscommon.
In 1659 William Ponsonby 1st Viscount Duncannon was born to John Ponsonby [aged 50] and Elizabeth Folliot [aged 39].
In September 1660 [his half-brother] Folliot Wingfield 1st Viscount Powerscourt [aged 17] and [his sister-in-law] Elizabeth Boyle Viscountess Powerscourt [aged 18] were married. She the daughter of Roger Boyle 1st Earl Orrery [aged 39] and Margaret Howard Countess Orrery [aged 38]. They were sixth cousins.
On 22nd February 1665 [his half-brother] Folliot Wingfield 1st Viscount Powerscourt [aged 22] was created 1st Viscount Powerscourt. [his sister-in-law] Elizabeth Boyle Viscountess Powerscourt [aged 23] by marriage Viscountess Powerscourt.
On 14th November 1677 William Ponsonby 1st Viscount Duncannon [aged 18] was educated at Trinity College, Dublin.
In 1678 [his father] John Ponsonby [aged 69] died.
Before 1679 William Ponsonby 1st Viscount Duncannon [aged 19] and Mary Moore were married.
In 1679 [his son] Brabazon Ponsonby 1st Earl Bessborough was born to William Ponsonby 1st Viscount Duncannon [aged 20] and [his wife] Mary Moore. He married before 1704 his second cousin Sarah Margetson, daughter of John Margetson and Alice Caulfeild Baroness Carpenter, and had issue.
In 1685 [his son] Henry Ponsonby was born to William Ponsonby 1st Viscount Duncannon [aged 26] and [his wife] Mary Moore. He married in or before 1720 Frances Brabazon, daughter of Chambre Brabazon 5th Earl Meath and Juliana Chaworth Countess Meath, and had issue.
Before 1704 [his son] Brabazon Ponsonby 1st Earl Bessborough [aged 24] and [his daughter-in-law] Sarah Margetson [aged 25] were married. They were second cousins.
This is a translation of the 'Memoires of Jacques du Clercq', published in 1823 in two volumes, edited by Frederic, Baron de Reissenberg. In his introduction Reissenberg writes: 'Jacques du Clercq tells us that he was born in 1424, and that he was a licentiate in law and a counsellor to Philip the Good, Duke of Burgundy, in the castellany of Douai, Lille, and Orchies. It appears that he established his residence at Arras. In 1446, he married the daughter of Baldwin de la Lacherie, a gentleman who lived in Lille. We read in the fifth book of his Memoirs that his father, also named Jacques du Clercq, had married a lady of the Le Camelin family, from Compiègne. His ancestors, always attached to the counts of Flanders, had constantly served them, whether in their councils or in their armies.' The Memoires cover a period of nineteen years beginning in in 1448, ending in in 1467. It appears that the author had intended to extend the Memoirs beyond that date; no doubt illness or death prevented him from carrying out this plan. As Reissenberg writes the 'merit of this work lies in the simplicity of its narrative, in its tone of good faith, and in a certain air of frankness which naturally wins the reader’s confidence.' Du Clercq ranges from events of national and international importance, including events of the Wars of the Roses in England, to simple, everyday local events such as marriages, robberies, murders, trials and deaths, including that of his own father in Book 5; one of his last entries.
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On 26th May 1713 [his wife] Mary Moore died.
Around 5th February 1717 [his half-brother] Folliot Wingfield 1st Viscount Powerscourt [aged 74] died. Viscount Powerscourt extinct.
In or before 1720 [his son] Henry Ponsonby [aged 34] and [his daughter-in-law] Frances Brabazon [aged 31] were married. She the daughter of Chambre Brabazon 5th Earl Meath and Juliana Chaworth Countess Meath.
On 11th September 1721 William Ponsonby 1st Viscount Duncannon [aged 62] was created 1st Baron Bessborough of Bessborough in Kilkenny.
On 28th February 1723 William Ponsonby 1st Viscount Duncannon [aged 64] was created 1st Viscount Duncannon of Duncannon in Wexford.
On 17th November 1724 William Ponsonby 1st Viscount Duncannon [aged 65] died. His succeeded son Brabazon [aged 45] succeeded 2nd Viscount Duncannon of Duncannon in Wexford, 2nd Baron Bessborough of Bessborough in Kilkenny.
[his daughter] Elizabeth Ponsonby was born to William Ponsonby 1st Viscount Duncannon and Mary Moore. She married Richard Moore of Cashell County Tipperary and had issue.
[his daughter] Anne Ponsonby was born to William Ponsonby 1st Viscount Duncannon and Mary Moore. She married April 1806 her fourth cousin once removed Nicholas Loftus 1st Viscount Loftus and had issue.
Kings Wessex: Great x 18 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 15 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 21 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 16 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 10 Grand Son of King Edward I of England
Kings Scotland: Great x 16 Grand Son of King Malcolm III of Scotland
Kings France: Great x 11 Grand Son of King Philip III of France
Kings Duke Aquitaine: Great x 22 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great x 14 Grand Son of Alfonso VII King Castile VII King Leon
Father: John Ponsonby 
William Ponsonby 1st Viscount Duncannon 10 x Great Grand Son of King Edward I of England
Great x 1 Grandfather: Thomas Folliott of Pirton Court
GrandFather: Henry Folliott 1st Baron Folliott 8 x Great Grand Son of King Edward I of England
Great x 4 Grandfather: Richard Lygon of Madresfield Court 
Great x 3 Grandfather: Richard Lygon 8 x Great Grand Son of King Edward I of England
Great x 4 Grandmother: Anne Beauchamp 
7 x Great Grand Daughter of King Edward I of England
Great x 2 Grandfather: William Lygon 9 x Great Grand Son of King Edward I of England
Great x 4 Grandfather: William Greville 
Great x 3 Grandmother: Margaret Greville
Great x 1 Grandmother: Katherine Lygon 7 x Great Grand Daughter of King Edward I of England
Great x 4 Grandfather: Walter Denys
Great x 3 Grandfather: William Denys
Great x 2 Grandmother: Eleanor Denys 6 x Great Grand Daughter of King Edward I of England
Great x 4 Grandfather: Maurice Berkeley 3rd Baron Berkeley 
4 x Great Grand Son of King Edward I of England
Great x 3 Grandmother: Anne Berkeley 5 x Great Grand Daughter of King Edward I of England
Great x 4 Grandmother: Isabel Meade 3rd Baroness Berkeley
Mother: Elizabeth Folliot 9 x Great Grand Daughter of King Edward I of England
Great x 1 Grandfather: William Strode of Stoke under Hampden 
GrandMother: Anne Strode Countess Roscommon