John I, Count of La Marche
John of Bourbon( John I/ VII, Count of La Marche and of Vendôme),( 1344 – 11 June 1393, Vendôme) was the second son of James I, Count of La Marche and Jeanne of Châtillon.
Yolande of Brittany
Yolande of Brittany( late 1218 – 10 October 1272) was the ruler of the counties of Penthièvre and Porhoet in the Duchy of Brittany.
Yolande had been betrothed to King Henry III of England in 1226 at the age of seven years.
but married Hugh XI of Lusignan, the half- brother of Henry III.
Through Hugh, she became Countess of La Marche and of Angoulême.
She was the mother of seven children.
From 1250 to 1256, she acted as Regent of La Marche and Angoulême for her son, Hugh XII of Lusignan.
William VII of Angoulême
William VII of Angoulême( died 1186) was also known as William Taillefer V, was the Count of Angoulême from 1181.
The second of three sons of William VI of Angoulême, he inherited the title of Count of Angoulême, and its territory, upon the death of his brother, Wulgrin III of Angoulême, who in turn had only one daughter, Mathilde of Angoulême.
William VII died childless and the title passed to his youngest brother Aymer of Angoulême.
Hugh XIII of Lusignan
Hugh XIII of Lusignan, Hugh VIII of La Marche or Hugh IV of Angoulême( 25 June 1259 – 1 November 1303 in Angoulême) succeeded his father Hugh XII as Seigneur de Lusignan, Count of La Marche and Count of Angoulême in 1270.
He married at Pau on 1 July 1276 Beatrix de Bourgogne, Dame de Grignon( c. 1260 – Cognac, June 1328/31 May 1329 and buried at Angoulême), daughter of Hugh IV, Duke of Burgundy and second wife Beatrice of Champagne.
They had no issue.
Isabelle de Craon
Isabelle de Craon, Dame de Fougères( born 1212), was a French noblewoman, being the daughter of Amaury I, Sire de Craon, a wealthy baron who was the possessor of many lordships in Anjou and Maine.
She was the wife of Raoul III, Sire de Fougères, by whom she had one daughter, Jeanne de Fougères, who became the heiress to her father's seigneury.
Hugh XII of Lusignan
Hugh XII de Lusignan, Hugh VII of La Marche or Hugh III of Angoulême (c. 1235/1240 – after August 25, 1270).
He was the son of Hugh XI of Lusignan and Yolande of Brittany.
He succeeded his father as seigneur of Lusignan, Couhé, and Peyrat, Count of La Marche and Count of Angoulême in 1250.
He married at Fougères 29 January 1253/4 Jeanne de Fougères (d. aft.1273), daughter of Raoul III, seigneur of Fougères, and Isabelle de Craon.
They had six children:
Hugh XI of Lusignan
Hugh XI de Lusignan, Hugh VI of La Marche or Hugh II of Angoulême( 1221 – April 6, 1250).
He succeeded his mother Isabelle of Angoulême, former queen of England, as Count of Angoulême in 1246.
He likewise succeeded his father Hugh X as Count of La Marche in 1249.
Hugh XI de Lusignan was the half- brother of King Henry III of England.
Jeanne de Fougères, Countess of La Marche and of Angoulême
Jeanne de Fougères (died after 1273), was ruling suo jure Lady of Fougères from 1256.
She was the wife of Hugh XII of Lusignan, Count of La Marche and Count of Angoulême.
Jeanne was responsible for the later additions and fortifications of the Chateau of Fougères which provided a greater stability for the town.
James II, Count of La Marche
James II of Bourbon- La Marche( 1370 – 1438 in Besançon) was the first son of John I, Count of La Marche and Catherine of Vendôme.
Yolanda of Lusignan
Yolanda of Lusignan or Yolande I & I de Lusignan, Countess of La Marche (24 March 1257 – 30 September 1314) was a French noblewoman and peeress.
In 1308, she succeeded her brother Guy I as suo jure Dame of Lusignan, of Couhé and of Peyrat, and "suo jure" Countess of La Marche, but not as Countess of Angoulême since after her brother's death the county was sold by her sisters, Joan and Isabelle, to King Philip IV and annexed to the French Crown.
Yolanda was also the heiress of Fougères, which she succeeded to upon her mother's death sometime after 1273.

Question: Who is Jeanne De Fougères, Countess Of La Marche And Of Angoulême's mother-in-law?
Answer: Yolande of Brittany