Henry IV, Count of Bar
Henry IV of Bar( abt 1315 – 1344) was count of Bar from 1336 to 1344.
His aunt, Joan of Bar, Countess of Surrey, governed Bar in his name during his minority.
He was the son of Edward I of Bar and his wife Marie of Burgundy.
He married Yolande of Dampierre( died 1395), a granddaughter of Robert III, Count of Flanders.
Henry and Yolande had two sons:
Theobald (bishop of Liège)
Theobald of Bar( Thibaut of Bar, Thiébaut de Bar) was the third surviving son of Theobald II of Bar and Jeanne de Toucy.
He was prince- bishop of Liège from 1302 until his death in 1312, while serving in the retinue of Henri VII of Luxembourg.
Henry III, Count of Bar
Henry III of Bar( 1259 – Naples, September 1302) was Count of Bar from 1291 to 1302.
He was the son of Theobald II, Count of Bar and Jeanne de Toucy.
Henry's introduction to military life came as he was made a knight in a conflict between his father and the Bishop of Metz.
He then served Frederick III, Duke of Lorraine.
He was preparing to go on crusade when his father died.
In 1284 Joan I of Navarre, Countess of Champagne married the future Philip IV of France.
Henry's reaction was a marriage to Eleanor, daughter of Edward I of England.
When war broke out in short order between France and England, Henry was drawn in.
The fighting ceased after the 1301 Treaty of Bruges.
Under its terms, Henry gave up some fortresses and paid homage to Philip for part of his lands, then called the Barrois mouvant.
He also undertook to fight in Cyprus against the Muslim forces.
Henry therefore made his way to the Kingdom of Naples.
In assisting Charles II of Naples against the invading forces of Frederick II of Sicily, he was wounded in fighting, and died soon afterwards.
Alberic III of Dammartin
Alberic III of Dammartin( Aubry de Dammartin)( – 19 September 1200) was a French count and son of Alberic II, Count of Dammartin, and Clémence de Bar, daughter of Reginald I, Count of Bar.
He married Mathilde, heiress to the county of Clermont and daughter of Renaud II, Count of Clermont.
They had:
Theobald II of Blois
Theobald II, Count of Blois( Thibaut II; c. 985 – 11 July 1004) was the eldest son and heir of Odo I, Count of Blois, and Bertha of Burgundy.
The stepson of Robert II of France, he became Count of Blois, Châteaudun, Chartres and Reims after the death of his father in 996.
Theobald II left no heirs; on his death, he was succeeded by his younger brother, Odo II, Count of Blois.
Theobald II, Count of Bar
Theobald II (1221– October 1291) was a count of Bar.
He was the son of Henry II of Bar and Philippa of Dreux.
He became count of Bar when his father was killed during the Barons' Crusade in 1239, but news of Henry's death did not reached him until 1240.
As Theobald was still a minor, his mother ruled as regent until 17 March 1242.
Theobald's own children included his successor Henry III and the bishop Reginald of Bar.
Henry II, Count of Bar
Henry II of Bar in French "Henri II de Bar", in German "Heinrich II von Bar" (1190–13 November 1239) was a Count of Bar who reigned from 1214 to 1239.
He was son of Count Theobald I of Bar and his first wife, Ermesinde of Bar-sur-Seine.
Henry was killed on 13 November 1239 during the Barons' Crusade, when he diverted several hundred crusaders from the main army under Theobald I of Navarre to fight a force of Ayyubid Muslims at Gaza.
Erard of Bar, Seigneur de Pierrepont et d'Ancerville
Erard of Bar,
( French: Érard de Bar) was a monk by 1292 and then seigneur de Pierrepont et d'Ancerville by 1302.
Erard was one of eight sons born to Theobald II, Count of Bar and his wife, Jeanne de Toucy.
He married Isabella of Lorraine( d. 12 December 1353), daughter of Theobald II, Duke of Lorraine, and Isabelle de Rumigny; they had had six children.
Erard died in 1335 at Pierrepont, France.
Reginald I, Count of Bar
Reginald I (also called "the One-eyed", Reinald I, Renaud I; – 10 March 1149) was Count of Bar (1105–1149).
Barrois, during the Middle Ages, was the territory of the counts and dukes of Bar, in the eastern part of present-day France, bordering Lorraine.
He was the son of Theodoric I, Count of Montbéliard and Ermentrude of Bourgogne, the daughter of William I, Count of Burgundy.
Reginald's first wife is unknown.
He later married Gisele de Vaudémont, widow of Rainard III, Count of Toul, and daughter of Gérard I, Count of Vaudémont, and his wife Heilwig von Egisheim.
Reginald and Gisele had eight children:
Reginald was one of the leaders of the Second Crusade in 1145.
He was drowned somewhere in the Mediterranean Sea on his return voyage to Europe on or before 10 March 1149.
Reginald I of Bar succeeded Theodoric II of Bar (r. 1092–1105) who was succeeded in turn by Reginald II of Bar (r. 1150–1170) in 1150.
Theobald of Bar, Seigneur de Pierrepont
Theobald of Bar( French: Thibauld/ Thiebaut de Bar), Seigneur of Pierrepont.
He was one of six children born to Erard of Bar, Seigneur de Pierrepont et d'Ancerville( himself son of Theobald II of Bar), and Isabelle of Lorraine( daughter of Theobald II, Duke of Lorraine).
In 1340, he married Marie de Namur( daughter of John I, of Dampierre and Marie of Artois), after her first husband Henry II, Graf of Vianden was murdered at Famagusta three years before.
His wife, Marie gave birth to two daughters, Yolande and Elisabeth.
When Theobald, died( between 2 August 1353 and 6 July 1354) he had no legitimate male heir, thus his daughter Elisabeth became the heiress of Bar- Pierrepont.

Question: What is the date of death of Theobald Ii, Count Of Bar's father?