Elizabeth de Clare
Elizabeth de Clare, 11th Lady of Clare( 16 September 1295 – 4 November 1360) was the heiress to the lordships of Clare, Suffolk, in England and Usk in Wales.
She was the youngest of the three daughters of Gilbert de Clare, 6th Earl of Hertford and Joan of Acre, and sister of Gilbert de Clare, who later succeeded as the 7th Earl.
She is often referred to as Elizabeth de Burgh, due to her first marriage to John de Burgh.
Her two successive husbands were Theobald II de Verdun( of the Butler family) and Roger d'Amory.
Edward Despenser (died 1342)
Edward le Despenser( died 1342) was a son of Hugh le Despenser the Younger by his wife Eleanor de Clare.
His father, a favourite of Edward II of England, was executed in 1326.
Through his mother, he was a great- grandson of Edward I of England.
Hugh Despenser the younger
Hugh le Despenser, 1st Lord Despenser (c. 1286 – 24 November 1326), also referred to as "the younger Despenser", was the son and heir of Hugh le Despenser, Earl of Winchester (the elder Despenser) by his wife Isabella de Beauchamp, daughter of William de Beauchamp, 9th Earl of Warwick.
He rose to national prominence as royal chamberlain and a favourite of Edward II of England.
Despenser made many enemies across the nobility of England which, after the overthrow of Edward, eventually led to him being charged with high treason and ultimately hanged, drawn and quartered.
Elizabeth le Despenser, Baroness Berkeley
Elizabeth le Despenser( c. 1327 – 13 July 1389) was an English noblewoman.
She was the youngest daughter of Hugh le Despenser the younger and his wife Eleanor de Clare.
Her father is famous for being the favourite of Edward II of England, and being executed as a result of his position and actions.
Through her mother, Elizabeth was a great granddaughter of King Edward I of England.
Bogo de Clare
Bogo de Clare (21 July 1248 – October 1294) was a member of the Anglo-Norman de Clare family, as third son of Richard de Clare (1222–1262), 5th Earl of Hertford and 6th Earl of Gloucester.
Rohese de Clare
Rohese de Clare( bef. 1166) was a member of the wealthy and powerful de Clare family and a strong patron of Monmouth Priory.
Eleanor de Clare
Eleanor de Clare, suo jure 6th Lady of Glamorgan (3 October 1292-30 June 1337) was a powerful English noblewoman who married Hugh Despenser the Younger and was a granddaughter of Edward I of England.
With her sisters, Elizabeth de Clare and Margaret de Clare, she inherited her father's estates after the death of her brother, Gilbert de Clare, 8th Earl of Gloucester, 7th Earl of Hereford at the Battle of Bannockburn in 1314.
She was born in 1292 at Caerphilly Castle in Glamorgan, Wales and was the eldest daughter of Gilbert de Clare, 6th Earl of Hertford, 7th Earl of Gloucester, 5th Lord of Glamorgan and Princess Joan of Acre.
Amice de Clare
Amice de Clare( c. 1220 – 1284) was the daughter of Gilbert de Clare, 4th Earl of Hertford and Isabel Marshal.
She married, firstly, Baldwin de Redvers, 6th Earl of Devon, and secondly Robert de.
She founded Buckland Abbey.
Isabella of Gloucester and Hertford
Isabella de Clare( 2 November 1226 – 10 July 1264) was the daughter of Gilbert de Clare, 4th Earl of Hertford and 5th Earl of Gloucester and Isabel Marshal.
She is also known as" Isabel de Clare", but this is however, the name of many women in her family.
Isabel le Despenser, Countess of Arundel
Isabel le Despenser( 1312–1356) was the eldest daughter of Hugh Despenser the Younger and Eleanor de Clare.
She was descended from Edward I of England through her mother, while her father is famous for being the favorite of Edward II of England.

Question: What is the cause of death of Eleanor De Clare's husband?
Answer: hanged, drawn and quartered