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Birth:          1294 of Longport, Aisne, France
Death:          7 Mar 1342 Fontenelle, Yonne, France

Notes
b c 1294/5
one record shows m 1305
https://en.wikipedia.org/wiki/Joan_of_Valois,_Countess_of_Hainaut
Joan of Valois (c. 1294 – 7 March 1342) was the second eldest daughter of the French 
prince Charles of Valois and his first wife, Margaret, Countess of Anjou. As the sister 
of King Philip VI of France and the mother-in-law of Edward III,[1] she was ideally 
placed to act as mediator between them.[1]
Lineage[edit]

Her paternal grandparents were Philip III of France and Isabella of Aragon. Her 
maternal grandparents were Charles II of Naples and Maria Arpad of Hungary. Joan 
was one of six children. In 1299, Joan's mother died, probably in childbirth, and her 
father married his second wife, Catherine I of Courtenay, Titular Empress of 
Constantinople, by whom he had four more children. He would marry his third wife, 
Mahaut of Châtillon, in 1308, and by her he would sire a son and three daughters, 
among them Isabella of Valois, who became Duchess of Bourbon, and Blanche of 
Valois, who married Charles IV, Holy Roman Emperor.

Countess of Hainaut[edit]

Joan married William I,[2] on 23 May 1305. She was a supporter of her cousin Isabella 
of France in her struggle against Edward II. In December 1325, she traveled to France 
to attend the funeral of her father and had talks with Isabella and Charles IV of 
France. This brought about an alliance between Hainaut, Isabella, and the English 
exiles, who were in opposition to the English king and his favorite, Hugh Despenser 
the Younger. Isabella's son became engaged to Joan's daughter Philippa and Isabella 
raised an army in their lands. It was also from there that Isabella and her lover, Roger 
Mortimer, began their invasion of England.

In 1332, after Philippa had become queen, she arranged a wedding between Isabella's 
daughter Eleanor of Woodstock and Reginald II, Duke of Guelders, and she visited 
her daughter Philippa in England.

Mediator[edit]

After her husband died in 1337, Joan took the veil and entered into Fontenelle Abbey. 
In 1340, her son-in-law dealt her brother Philip a heavy blow by defeating him at sea 
near Sluys. Edward then went on to besiege Tournai, but was beset by financial 
problems. Pope Benedict XII then asked Joan to mediate. She first went to her 
brother, whom she had begged for peace. Then she went to Edward in his tent and 
begged him for peace as well. The pleas of their relative Joan, sent by the pope, 
allowed the two men to sign a truce without loss of face.[3]

Issue[edit]

Joan's children with William I
William II, Count of Hainaut (1307–1345)
John (died 1316)
Empress Margaret (1311–1356), married Louis IV, Holy Roman Emperor
Queen Philippa (24 June 1314 – 1369), married king Edward III of England
Agnes (died 1327)
Johanna von Jülich (1315–1374), married William V, Duke of Jülich
Isabella of Hainaut (1323–1361), married Robert of Namur
Louis (1325–1328)

Parents
OF VALOIS Charles I (12 Mar 1270 - 16 Dec 1325)
____ Margaret (Marguerite) (ABT 1273 - 31 Dec 1299)

Siblings
DE VALOIS Joan (Jeanne) (1294 - 7 Mar 1342)

Marriage To D'AVESNES William (Willem) III (1286 - 7 Jun 1337)
    m. 1310 

Notes

Parents
D'AVESNES Jean II (John II) (ABT 1247 - 22 Aug 1304)
DE LUXEMBOURG Philippa (ABT 1252 - 6 Apr 1311)

Children by D'AVESNES William (Willem) III 1286 - 7 Jun 1337
OF HAINAULT Philippa (24 Jun 1311 - 15 Aug 1369)

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