In or before 1665 [his father] Francis Jessop of Broom Hall, Sheffield and [his mother] Barbara Eyre were married.
Around 1665 William Jessop of Broom Hall, Sheffield was born to Francis Jessop of Broom Hall, Sheffield and Barbara Eyre.
In 1683 William Jessop of Broom Hall, Sheffield [aged 18] was admitted to Gray's Inn. He was called to the bar in 1690.
In 1691 [his father] Francis Jessop of Broom Hall, Sheffield died. William Jessop of Broom Hall, Sheffield [aged 26] inherited Broom Hall, Sheffield.
On or after 15th January 1697, the date of the licence, William Jessop of Broom Hall, Sheffield [aged 32] and Mary Darcy were married.
In 1701 William Jessop of Broom Hall, Sheffield [aged 36] stood unsuccessfully for MP Aldborough.
In 1702 William Jessop of Broom Hall, Sheffield [aged 37] was elected MP Aldborough. He was re-elected in 1705. He was returned unopposed in 1708.
In 1707 [his son] James Jessop aka Darcy 2nd Baron Darcy of Navan was born to William Jessop of Broom Hall, Sheffield [aged 42] and [his wife] Mary Darcy.
In 1710 William Jessop of Broom Hall, Sheffield [aged 45] was elected MP Aldborough unopposed.
Chronicle of Geoffrey le Baker of Swinbroke
Baker was a secular clerk from Swinbroke, now Swinbrook, an Oxfordshire village two miles east of Burford. His Chronicle describes the events of the period 1303-1356: Gaveston, Bannockburn, Boroughbridge, the murder of King Edward II, the Scottish Wars, Sluys, Crécy, the Black Death, Winchelsea and Poitiers. To quote Herbert Bruce 'it possesses a vigorous and characteristic style, and its value for particular events between 1303 and 1356 has been recognised by its editor and by subsequent writers'. The book provides remarkable detail about the events it describes. Baker's text has been augmented with hundreds of notes, including extracts from other contemporary chronicles, such as the Annales Londonienses, Annales Paulini, Murimuth, Lanercost, Avesbury, Guisborough and Froissart to enrich the reader's understanding. The translation takes as its source the 'Chronicon Galfridi le Baker de Swynebroke' published in 1889, edited by Edward Maunde Thompson.
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In 1713 William Jessop of Broom Hall, Sheffield [aged 48] stood unsuccessfully for MP Aldborough.
In 1715 William Jessop of Broom Hall, Sheffield [aged 50] was elected MP Aldborough. He was returned unopposed in 1722, 1727 and 1729 and held the seat until his death on 08 Nov 1734.
On 2nd September 1723 [his son-in-law] Andrew Wilkinson of Boroughbridge, Yorkshire [aged 26] and [his daughter] Barbara Jessop were married. They had seven sons.
In 1733 [his son] James Jessop aka Darcy 2nd Baron Darcy of Navan [aged 26] died unmarried. Baron Darcy of Navan extinct.
On 8th November 1734 William Jessop of Broom Hall, Sheffield [aged 69] died. His son James Jessop aka Darcy 2nd Baron Darcy of Navan had predeceased him without issue. His daughter Barbara Jessop and her husband Andrew Wilkinson of Boroughbridge, Yorkshire [aged 37] inherited Broom Hall, Sheffield.
[his daughter] Barbara Jessop was born to William Jessop of Broom Hall, Sheffield and Mary Darcy. She married 2nd September 1723 Andrew Wilkinson of Boroughbridge, Yorkshire.
father: Francis Jessop of Broom Hall, Sheffield
William Jessop of Broom Hall, Sheffield
Grandfather: Robert Eyre of Highlow, Derbyshire 
mother: Barbara Eyre