William Ponsonby 1st Viscount Duncannon 1659-1724

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 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.

On 26th May 1713 [his wife] Mary Moore died.

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 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.