Before 16th May 1654 [his father] Giles Estcourt 1st Baronet and [his mother] Anne Mordaunt were married.
On 16th May 1654 William Estcourt 3rd Baronet was born to Giles Estcourt 1st Baronet and Anne Mordaunt.
In 1655 [his mother] Anne Mordaunt died.
In 1668 [his father] Giles Estcourt 1st Baronet died. His son [his brother] Giles [aged 13] succeeded 2nd Baronet Estcourt of Newton in Wiltshire.
In 1676 [his brother] Giles Estcourt 2nd Baronet [aged 21] was killed in duel in Italy. William Estcourt 3rd Baronet [aged 21] succeeded 3rd Baronet Estcourt of Newton in Wiltshire.
In March 1679 William Estcourt 3rd Baronet [aged 24] was elected MP Malmesbury.
In October 1679 William Estcourt 3rd Baronet [aged 25] was elected MP Malmesbury.
In 1681 William Estcourt 3rd Baronet [aged 26] was elected MP Malmesbury.
Before 20th November 1684 William Estcourt 3rd Baronet [aged 30] served as foreman of the jury which acquitted Edward Nosworthy [aged 46]. During the course of the celebrations that followed in the Globe Tavern, Fleet Street an altercation broke out between Henry St John 1st Viscount St John [aged 32] and Francis Stonehouse [aged 31]. William Estcourt 3rd Baronet was killed by either or both Henry St John 1st Viscount St John and Francis Stonehouse. Both were fined and pardoned. Baronet Estcourt of Newton in Wiltshire extinct.
The True Chronicles of Jean le Bel Volume 2 Chapters 61-109 1342-1361
The Chronicle of Jean le Bel, Volume 2 continues one of the most important fourteenth-century accounts of the early Hundred Years’ War. Written by the Liège chronicler Jean le Bel, this vivid narrative follows the fortunes of Edward III, Jean II of France, the Black Prince, the great nobles of France and England, and the soldiers, captains and companies who shaped the conflict. This volume covers some of the most dramatic events of the period, including the battles of Crécy and Poitiers, the siege and capture of Calais, the captivity of King John, the rise of the Jacquerie, the turmoil in Paris under Étienne Marcel and Charles of Navarre, the devastation caused by the free companies, Edward III’s great campaign of 1359–1360, and the negotiations leading to the Treaty of Brétigny. Jean le Bel’s chronicle is especially valuable for its lively detail, its interest in chivalry, warfare, politics and reputation, and its influence on later chroniclers, most famously Froissart. This English translation presents the text in clear, readable British English while preserving the force and character of the original narrative. The translation includes extensive notes to help the reader better understand Jean le Bel's text. Volume 2 also includes translated appendices drawn from royal and administrative records, many from the English Record Office, which illuminate Edward III’s campaigns in Brittany, the siege and occupation of Calais, naval preparations, military finance, appointments, safe conducts and related affairs.
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John Evelyn's Diary. 27th January 1685. Sir William Estcourt. It was in a sudden quarrel, and there was doubt whether it was more than manslaughter: but he was advised' to plead guilty, and then had a pardon, for which he paid £l,600.
father: Giles Estcourt 1st Baronet
Great x 4 Grandfather: William Mordaunt 
Great x 3 Grandfather: Robert Mordaunt
Great x 2 Grandfather: Henry Mordaunt
Great x 1 Grandfather: Estrange Mordaunt 1st Baronet
Great x 2 Grandmother: Anne Poley
Grandfather: Robert Mordaunt 2nd Baronet
mother: Anne Mordaunt