Joan II, Countess of Burgundy
Joan II, Countess of Burgundy( 15 January 1292 – 21 January 1330), was Queen of France by marriage to Philip V of France, and ruling Countess of Burgundy and Countess of Artois.
She was the eldest daughter and heiress of Otto IV, Count of Burgundy, and Mahaut, Countess of Artois.
Anne Yelverton
Anne Yelverton( 1628–1698) was Countess of Manchester and Countess of Halifax.
Hawise, Countess of Aumale
Hawise, Countess of Aumale( died 11 March 1214) was ruling Countess of Aumale from 1179 until 1194 with her husbands.
She was the daughter and heiress of William, Count of Aumale and Cicely, daughter and co-heiress of William fitz Duncan.
She became Countess of Essex by her marriage to William de Mandeville, 3rd Earl of Essex.
Mary Capel, Countess of Essex
Mary Capel, Countess of Essex (1679 – 20 August 1726), born Lady Mary Bentinck, was the daughter of William Bentinck, 1st Earl of Portland, a Dutch and English nobleman who became in an early stage the favourite of stadtholder William, Prince of Orange (the future King of England) and his wife Anne Villiers (died 30 November 1688).
Mary is one of the Hampton Court Beauties who was painted by Sir Godfrey Kneller for Queen Mary II.
Despite sharing a surname, Mary's aunt, Barbara Villiers, Viscountess FitzHarding was not the renowned courtesan and Windsor Beauty the Duchess of Cleveland, although there is a relation; the Duchess of Cleveland was Mary's first cousin once removed through her mother, Anne Villiers.
Nevertheless, Barbara Villiers was painted by Sir Godfrey Kneller.
Sigered of Essex
Sigered of Essex was the last king of Essex from 798 to 825.
The son of Sigeric of Essex, Sigered became king when his father abdicated the throne.
In 812 Sigered was reduced from king to duke by his Mercian overlords.
In 825 he finally ceded the kingdom of Essex to Egbert of Wessex.
Joan Fitzalan, Countess of Hereford
Joan FitzAlan, Countess of Hereford, Countess of Essex and Countess of Northampton( 1347 – 7 April 1419) was the wife of the 7th Earl of Hereford, 6th Earl of Essex and 2nd Earl of Northampton.
She was the mother of Mary de Bohun, the first wife of Henry of Bolingbroke who later reigned as King Henry IV, and Eleanor de Bohun, Duchess of Gloucester.
She was the maternal grandmother of King Henry V.
In 1400, she gave the order for the beheading of the Earl of Huntingdon in revenge for the part he had played in the execution of her brother, the 11th Earl of Arundel.
The estates which comprised Joan's large dowry made her one of the principal landowners in Essex, where she exercised lordship, acting as arbitrator and feoffee in property transactions.
Marie d'Albret, Countess of Rethel
Marie d' Albret, Countess of Rethel, Countess of Nevers( 25 March 1491 – 27 October 1549) was the suo jure Countess of Rethel, a title which she inherited at the age of nine upon the death of her mother, Charlotte of Nevers, Sovereign Countess of Rethel, on 23 August 1500.
She was the wife of Charles II of Cleves, Count of Nevers.
William Bentinck, 1st Earl of Portland
Hans William Bentinck, 1st Earl of Portland, Baron Bentinck of Diepenheim and Schoonheten, (20 July 1649, in Diepenheim, Overijssel – 23 November 1709, in Bulstrode Park, Buckinghamshire) was a Dutch and English nobleman who became in an early stage the favourite of William, Prince of Orange, Stadtholder in the Netherlands, and future King of England.
He was reportedly steady, sensible, modest and usually moderate.
The friendship and cooperation stopped in 1699.
Geoffrey de Mandeville, 2nd Earl of Essex
Geoffrey de Mandeville, 2nd Earl of Essex( d 1166) was an English nobleman, the second son of Geoffrey de Mandeville, 1st Earl of Essex and Rohese de Vere, Countess of Essex.
Swæfberht of Essex
Swæfberht of Essex was King of Essex( 715–738).
He ruled along with Saelred of Essex( 709 –746) who appointed him provisional king in 715.

Question: Where was the place of death of Mary Capel, Countess Of Essex's father?
Answer: Buckinghamshire