Guy I of Bar-sur-Seine (1105 - 1146) was the count of Bar-sur-Seine in the county of Champagne. He was the son of Milo II of Bar-sur-Seine and of Mathilde of Noyers. [1]
Guy became count of Bar-sur-Seine on the death of his father Milo II of Bar-sur-Seine. At his death, with his son Milo III of Bar-sur-Seine being on crusade in the Holy Land, the county of Bar-sur-Seine was administered by his wife Pétronille. Following his death, his youngest daughter Ermesinde was born. [2]
Guy married Pétronille de Chacenay, [1] daughter of Anséric II de Chacenay and Hombeline. They had:
Stephen Henry was the Count of Blois and Count of Chartres. He led an army during the First Crusade, was at the surrender of the city of Nicaea, and directed the siege of Antioch. Returning home without fulfilling his crusader vows, Stephen joined the crusade of 1101. Making his way to Jerusalem, he fought in the Second Battle of Ramla, where he was captured and later executed.
Henry II of Champagne was Count of Champagne from 1181 to 1197, and King of Jerusalem jure uxoris from 1192 to 1197 by virtue of his marriage to Queen Isabella I of Jerusalem.
Theobald III was Count of Champagne from 1197 to his death. He was designated heir by his older brother Henry II when the latter went to the Holy Land on the Third Crusade, and succeeded him upon his death. He cooperated closely with his uncle and suzerain King Philip II of France. He died young, and was succeeded by a posthumous son, Theobald IV, while his widow, Blanche of Navarre, ruled as regent.
Hugh was the Count of Champagne from 1093 until his death.
Blanche of Navarre was Countess of Champagne by marriage to Theobald III, Count of Champagne, and regent of Champagne during the minority of her son Theobald I of Navarre between 1201 and 1222.
Theobald III of Blois was count of Blois, Meaux and Troyes. He was captured in 1044 by Geoffrey II, Count of Anjou, and exchanged the County of Touraine for his freedom. Theobald used his nephew's involvement with the Norman invasion of England, to gain authority over the County of Champagne. He died in 1089.
Hugh I, Count of Blois, also known as Hugh I of Châtillon was jure uxoris Count of Blois from 1230 to 1241, and Count of Saint Pol from 1226 to 1248.
Milo II of Montlhéry was lord of Bray and Montlhéry, and viscount of Troyes. He was the son of Milo I the Great and Lithuise, and younger brother of Guy III of Montlhéry.
Guy III of Châtillon, Count of Saint-Pol was a French nobleman, and was a younger son of Hugh I, Count of Blois, and Mary, Countess of Blois.
Hervé IV of Donzy was a French nobleman and participant in the Fifth Crusade. By marriage in 1200 to Mahaut de Courtenay (1188–1257), daughter of Peter II of Courtenay, he became Count of Nevers.
Milo IV, also Milon du Puiset, was a French crusader from Champagne. His parents were Hugh IV of Le Puiset and Petronilla, countess of Bar-sur-Seine.
Theobald I was Count of Bar from 1190 until his death, and a Count of Luxemburg from 1197 until his death. He was the son of Reginald II of Bar and his wife Agnès de Champagne. He became count when his brother, Henry, was killed in the siege of Acre.
Érard de Brienne was a French nobleman. He was lord of Ramerupt and of Venizy, and also a pretender to the county of Champagne as an instigator of the Champagne War of Succession. He was a son of André of Brienne and of Alix of Vénizy.
Erard II was the Sire de Chacenay (Chassenay) from 1190/1. He was the eldest son of Erard I of Chacenay and Mathilde de Donzy.
Philippa of Champagne was the third daughter of Queen Isabella I of Jerusalem and Count Henry II of Champagne. She was the wife of Erard de Brienne-Ramerupt, who encouraged her in 1216 to claim the county of Champagne which belonged to her cousin Theobald IV, who was still a minor. This provoked the conflict with Theobald's mother, the Regent, Blanche of Navarre, which erupted into open warfare, and came to be known as the Champagne War of Succession. Blanche's son Theobald, who had the support of King Philip II of France, Frederick II, Holy Roman Emperor, and Eudes III of Burgundy, eventually emerged the victor. Philippa renounced her claim in April 1222, but Theobald was constrained to pay Erard and Philippa a large monetary settlement for his rights to the county.
Hugh III, Lord of Broyes was Lord of Broyes at the end of the 11th century. He was the son of Simon I of Broyes and his wife Félicité de Brienne, daughter of Erard I, Count of Brienne.
The county of Bar-sur-Seine was a compact lordship in France during the Middle Ages. Its seat, Bar-sur-Seine, lies on a Gallo-Roman site, but is only attested from the ninth century. It became of strategic importance in the twelfth century, as an urban centre and major castle on the road between Burgundy and Champagne.
Milo III, in French Milon III, was the Count of Bar-sur-Seine from 1147 until his death. He was the eldest son of Count Guy and Petronilla (Elizabeth) of Chacenay.
Simon of Joinville was a French knight, who became the Lord of Joinville from 1204 until his death in 1233. He was also the hereditary seneschal of the County of Champagne.
Walter I of Brienne, count of Brienne and Bar-sur-Seine. He was the son of Engelbert IV of Brienne, count of Brienne, whom he succeeded. He attended the council of Senlis in 1048 and was excommunicated in 1082.
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