John II, Duke of Bourbon
Jean( John) de Bourbon, Duke of Bourbon( 1426 – 1 April 1488, Château de Moulins), sometimes referred to as John the Good and The Scourge of the English, was a son of Charles I of Bourbon and Agnes of Burgundy.
He was Duke of Bourbon and Auvergne from 1456 to his death.
Isabella of France, Dauphine of Viennois
" For other persons named Isabella of France, see Isabella of France( disambiguation)" Isabella of France and Burgundy( 1310 – April 1348) was the daughter of Philip V of France and Joan II, Countess of Burgundy.
Mathilde of Bourbon
Mathilde of Bourbon( – 18 June 1228) was a French noblewoman who was the ruling Lady of Bourbon from 1171 until her death.
Bonne of Bourbon
Bonne of Bourbon( 1341 – 19 January 1402) was a daughter of Peter I, Duke of Bourbon, and Isabella of Valois, and hence a sister of Joanna of Bourbon.
She served as regent of Savoy during the absence of her spouse from 1366 to 1367, in 1383, and during the minority of her grandson Count Amadeus VIII in 1391.
Isabella of Bourbon
Isabella of Bourbon, Countess of Charolais (1434 – 25 September 1465) was the second wife of Charles the Bold, Count of Charolais and future Duke of Burgundy.
She was a daughter of Charles I, Duke of Bourbon and Agnes of Burgundy, and the mother of Mary of Burgundy, heiress of Burgundy.
Peter II, Duke of Bourbon
Peter II, Duke of Bourbon (1 December 1438 – 10 October 1503 in Moulins), was the son of Charles I, Duke of Bourbon, and Agnes of Burgundy, and a member of the House of Bourbon.
He and his wife Anne of France ruled as regents during the minority of Charles VIII of France.
Isabella of Valois, Duchess of Bourbon
Isabella of Valois, Duchess of Bourbon or" Isabella of France"( 1313 – 26 July 1383), was a Petit Fille of France, and a daughter of Charles of Valois by his third wife Mahaut of Châtillon.
She was the wife of Peter I, Duke of Bourbon.
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.
Charles the Bold
Charles the Bold (also translated as Charles the Reckless) (10 November 1433 – 5 January 1477), baptised Charles Martin, was Duke of Burgundy from 1467 to 1477.
He was the last Duke of Burgundy from the House of Valois.
His early death at the Battle of Nancy at the hands of Swiss mercenaries fighting for René II, Duke of Lorraine was of great consequence in European history.
The Burgundian domains, long wedged between the growing powers of France and the Habsburg Empire, were divided, but the precise disposition of the vast and disparate territorial possessions involved was disputed among the European powers for centuries.
Beatrice of Bourbon, Queen of Bohemia
Beatrice of Bourbon( 1320 – 23 December 1383) was a French noblewoman.
A member of the House of Bourbon, she was by marriage Queen of Bohemia and Countess of Luxembourg.
She was the youngest daughter of Louis I, Duke of Bourbon, and Mary of Avesnes.

Question: What nationality is Isabella Of Bourbon's husband?
Answer: France