Joan of Valois, Countess of Beaumont
Joan of Valois (1304–1363) was the daughter of Charles of Valois and his second wife Catherine I of Courtenay, titular empress of Constantinople.
Half sister to Philip VI of Valois, in around 1320 she married Robert III of Artois, Count of Beaumont-le-Roger and seigneur of Conches.
They had five known children:
Robert III of Artois had attempted to recover the title of count of Artois, which had been taken from him by his aunt Mahaut of Artois, but was condemned and exiled in 1331 for making and presenting forged documents in the process of filing against her.
Joan of Valois and their children were therefore imprisoned by order of her half-brother Philip VI.
Margaret of Bohemia, Queen of Hungary
Margaret of Bohemia( 24 May 1335 – 1349, before October), also known as Margaret of Luxembourg, was a Queen consort of Hungary by her marriage to Louis I of Hungary.
She was the second child of Charles IV, Holy Roman Emperor by his first wife Blanche of Valois.
She was a member of the House of Luxembourg.
Marie of Valois, Duchess of Calabria
Marie of Valois( 1309 – 23 October 1331), was the eldest daughter of Charles of Valois by his third wife Mahaut of Châtillon.
She was a member of the House of Valois.
One of her five children was Queen Joanna I of Naples.
Blanche of Bourbon
Blanche of Bourbon( 1339 – 1361) was Queen of Castile as the wife of King Peter.
She was one of the daughters of Peter I, Duke of Bourbon and Isabella of Valois.
Blanche of Valois
Blanche of Valois (baptised "Marguerite"; 1317–1348) was a Queen consort of Germany and Bohemia by her marriage to King and later Holy Roman Emperor Charles IV.
She was the youngest daughter of Charles of Valois and his third wife Mahaut of Châtillon.
Blanche of Anjou
Blanche of Anjou( 1280 – 14 October 1310) was Queen of Aragon as the second spouse of King James II.
She was a member of the Capetian House of Anjou, she is also known as" Blanche of Naples".
She served as Regent or" Queen- Lieutenant" of Aragon during the absence of her spouse in 1310.
Catherine of Bohemia
Catherine of Bohemia( 19 August 1342 – 26 April 1395) was Electress of Brandenburg, the second daughter of Holy Roman Emperor Charles IV and Blanche of Valois.
Catherine was born on 19 August 1342, the third child and second surviving daughter of Charles IV, Holy Roman Emperor, and his first wife Blanche of Valois.
On 13 July 1356, Catherine married Rudolf IV, Duke of Austria.
The marriage was a political one arranged by her father to make peace with Austria.
Rudolph died after nine years of childless marriage.
On 19 March 1366, Catherine married Otto V, Duke of Bavaria.
Charles, Count of Valois
Charles of Valois (12 March 1270 – 16 December 1325), the third son of Philip III of France and Isabella of Aragon, was a member of the House of Capet and founder of the House of Valois, whose rule over France would start in 1328.
Charles ruled several principalities.
He held in appanage the counties of Valois, Alençon and Perche.
Through his marriage to Margaret of Anjou, he became Count of Anjou and Maine.
Through his marriage to Catherine I, titular empress of the Latin Empire, he was titular Latin Emperor of Constantinople from 1301–1307, although he ruled from exile and only had authority over Crusader States in Greece.
The grandson of Louis IX of France, Charles of Valois was a son, brother, brother-in-law and son-in-law of kings or queens (of France, Navarre, England and Naples).
His descendants, the House of Valois, would become the royal house of France three years after his death, beginning with his son Philip VI of France.
Blanche of England
Blanche of England, LG( spring 1392 – 22 May 1409), also known as Blanche of Lancaster, was a member of the House of Lancaster, the daughter of King Henry IV of England by his first wife Mary de Bohun.
Blanche of Lancaster, Baroness Wake of Liddell
Blanche of Lancaster, Baroness Wake of Liddell( c. 1305- c. 1380) was an English noblewoman.
She was the eldest daughter of Henry, 3rd Earl of Lancaster and Maud Chaworth.
Blanche was named after her grandmother, Blanche of Artois, who had ruled Navarre as regent.

Question: What nationality is Blanche Of Valois's father?
Answer: France