Joan of Châtillon (''Jeanne de Blois''; 1253? – 19 or 29 January 1291) was Countess of Blois from 1280 to 1291, and Lady of Avesnes. She was the daughter of

John I, Count of Blois John I of Châtillon (died 5 May 1280 in Chambord, Loir-et-Cher, Chambord), was count of Blois from 1241 to 1280 and lord of Avesnes. Biography He was the son of Hugh I of Châtillon and Marie of Avesnes. In 1254, John married Alix of Brittany, ...

and

Alix of Brittany, Dame de Pontarcy Alix of Brittany, Dame de Pontarcy, Countess of Blois (6 June 1243 – 2 August 1288), was a Breton people, Breton noblewoman and a member of the List of rulers of Brittany#House of Dreux, House of Dreux as the eldest daughter of John I, Duke of ...

. Joan received the

County of Chartres Originally, the Duchy of Chartres (''duché de Chartres'') was the ''comté'' de Chartres, a County. The title of comte de Chartres thus became duc de Chartres. This duchy–peerage was given by Louis XIV of France to his nephew, Philippe II ...

from her father during his life; she later sold these lands to

Philip IV of France Philip IV (April–June 1268 – 29 November 1314), called Philip the Fair (), was King of France from 1285 to 1314. Jure uxoris, By virtue of his marriage with Joan I of Navarre, he was also King of Navarre and Count of Champagne as Philip&n ...

in 1286. She ceded the lordship of Avesnes to her cousin

Hugh Hugh is the English-language variant of the masculine given name , itself the Old French variant of '' Hugo (name)">Hugo'', a short form of Continental Germanic Germanic name">given names beginning in the element "mind, spirit" (Old English ). ...

before her death. When she died in 1291 the other titles were left to him also. In 1263, Joanne married Peter of Alençon, a son of King

Louis IX of France Louis IX (25 April 1214 – 25 August 1270), also known as Saint Louis, was King of France from 1226 until his death in 1270. He is widely recognized as the most distinguished of the Direct Capetians. Following the death of his father, Louis VI ...

and

Margaret of Provence Margaret of Provence (; 1221 – 20 December 1295) was Queen of France by marriage to Louis IX of France, King Louis IX. Early life Margaret was born in the spring of 1221 in Forcalquier. She was the eldest of four daughters of Ramon Berenguer ...

. They had two sons who both died in infancy: *Louis (1272–1273). *Philip (1274–1275).Kerrebrouck (2000), p. 142, footnote 72. Joan died in 1291, with no living issue. She left the title of Count of Blois and her remaining titles to her cousin

References

{{DEFAULTSORT:Chatillon, Joan I Of 1291 deaths Jeanne Joan Joan 13th-century French nobility 13th-century French women Joan Year of birth unknown Year of birth uncertain 13th-century countesses regnant 13th-century ladies regnant 13th-century countesses consort