Margaret, Countess of Brienne
Marguerite d' Enghien, suo jure Countess of Brienne and of Conversano," suo jure" Heiress of Enghien, and Lady of Beauvois( born 1365), was a wealthy noblewoman from the County of Hainaut in her own right, having inherited the counties of Brienne and of Conversano, and the Lordship of Enghien from her father Louis of Enghien on 17 March 1394.
She was the wife of John of Luxembourg, Sire of Beauvois and the mother of Peter of Luxembourg, Count of Saint- Pol, Count of Brienne and of Conversano who inherited her fiefs, and John II of Luxembourg, Count of Ligny.
Maria of Enghien
Maria of Enghien, also known as Marie of Enghien or d'Enghien( after 1363 – 1392/1393), was the Lady of Argos and Nauplia in Frankish Greece from 1376 or 1377 to 1388.
Because she was a minor when she inherited the lordship from her father, Guy of Enghien, his brother, Louis of Enghien, was appointed to be her guardian.
Louis gave Maria in marriage to a Venetian patrician, Pietro Cornaro, in 1377.
Maria moved to Venice, but she was involved in the administration of her lordship.
After her husband died, she sold the lordship to the Republic of Venice for a regular income in 1388.
Peter of Enghien
Peter of Enghien( or Pierre d' Enghien)( died 1384) was Count of Lecce from 1380 to 1384.
He inherited the County of Lecce on the death of his father, John of Enghien, in 1380.
He married Margaret, daughter of Guy of Luxembourg, Count of Ligny.
However, the marriage was childless, and he was succeeded in Lecce by his sister, Mary of Enghien.
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Francis, Count of Vendôme
Francis de Bourbon or François de Bourbon( Francis I, Count of Vendôme)( 1470 – 30 October 1495), was a French prince du sang.
He was the Count of Vendôme.
Charles, Duke of Vendôme
Charles de Bourbon (2 June 1489 – 25 March 1537) was a French "prince du sang" and military commander at the court of Francis I of France.
He is notable as the paternal grandfather of King Henry IV of France.
Sohier, Count of Enghien
Sohier of Enghien( died March 21, 1364) was the titular Duke of Athens, and Count of Brienne and Lord of Enghien from 1356 to 1364.
The second, but eldest surviving son of Walter of Enghien(" Gautier III d' Enghien") and Isabella of Brienne, when his mother divided the inheritance of his uncle Walter VI of Brienne among her sons, he received the title of Duke of Athens.
He was executed by Albert, Duke of Bavaria in 1364, leaving the titular Duchy to his son
Louis de Bourbon de Vendôme
Louis de Bourbon- Vendôme,( 2 January 1493, Ham, Picardy, France- 13 March 1557), son of Francis, Count of Vendôme and Marie of Luxembourg.
Walter IV, Count of Enghien
Walter IV of Enghien( died 1381), Hainault nobleman and soldier, was the son of Sohier of Enghien.
He was Count of Brienne as Walter VII and Lord of Enghien in 1364 – 1381.
Appointed Marshal of Flanders by Louis II of Flanders, he energetically prosecuted the war against the rebellious Ghentois.
He is notorious for his sack of the city of Geraardsbergen on July 7, 1381, wherein his troops burned and destroyed the town, killing many of its inhabitants.
Rejoining the Flemish army besieging Ghent, he and a handful of companions were trapped by an ambush laid by the Ghentois, perhaps composed of survivors of Geraardsbergen.
He and his illegitimate half- brother John were both cut down in the fighting.
He was succeeded by his heir in proximity of blood, his uncle Louis of Enghien.
Louis, Count of Enghien
Louis of Enghien( died March 17, 1394) titular Duke of Athens, Count of Brienne and Lord of Enghien in 1381 – 1394, Count of Conversano in 1356 – 1394.
His coat- of- arms was" Enghien( gyronny of eight argent and sable crusilly or), a label gules bezantee".
Francis, Count of Enghien
François de Bourbon, Count of Enghien (23 September 1519 – 23 February 1546) was a French prince of the blood.
He was the son of Charles de Bourbon, Duke of Vendôme and Françoise d'Alençon.
Given command of the French army in Italy by Francis I of France during the Italian War of 1542, he was the French commander at the Franco-Ottoman Siege of Nice in 1543, and he led it to victory at the Battle of Ceresole in 1544.
His early death at the age of 26 was caused by an accident – specifically by the falling of a heavy chest – in the castle La Roche-Guyon.
He was succeeded as Count of Enghien by his younger brother John.

Question: When did Francis, Count Of Enghien's father die?
Answer: 25 March 1537