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.
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.
Maria of Brabant, Duchess of Bavaria
Maria of Brabant( 1226–1256) was a daughter of Henry II, Duke of Brabant, and Maria of Swabia.
She married Louis II, Duke of Bavaria, being the first of three wives.
Charles I, Duke of Bourbon
Charles de Bourbon (1401 – 4 December 1456, Château de Moulins) was the oldest son of John I, Duke of Bourbon and Marie, Duchess of Auvergne.
He was Count of Clermont-en-Beauvaisis from 1424, and Duke of Bourbon and Auvergne from 1434 to his death, although due to the imprisonment of his father after the Battle of Agincourt, he acquired control of the duchy more than eighteen years before his father's death.
In 1425, Charles renewed his earlier betrothal by marrying Agnes of Burgundy (1407–1476), daughter of John the Fearless.
Charles entered a relationship with Jeanne de Bournan, together they had Louis de Bourbon, Count of Roussillon.
Louis founded the House of Bourbon-Roussillon (Rossello).
Louis is known for his many services to the State.
As a reward for his loyalty and dedication to Louis XI during the League of the Public Weal conflict, Louis XI gave him in marriage his legitimized daughter Jeanne de Valois.
Charles served with distinction in the Royal army during the Hundred Years' War, while nevertheless maintaining a truce with his brother-in-law and otherwise enemy, Philip III, Duke of Burgundy.
Both dukes were reconciled and signed an alliance by 1440.
He was present at the coronation of Charles VII where he fulfilled the function of a peer and conferred knighthood.
Despite this service, he took part in the "Praguerie" (a revolt by the French nobles against Charles VII) in 1439–1440.
When the revolt collapsed, he was forced to beg for mercy from the King, and was stripped of some of his lands.
He died on his estates in 1456.
Marie of Orléans, Viscountess of Narbonne
Marie of Orléans( 19 December/ September 1457 – 1493) was the elder sister of King Louis XII of France.
Due to her marriage to John of Foix, she was Countess of Étampes and Viscountess of Narbonne.
Marie was the eldest daughter of Charles, Duke of Orléans, and his third wife Marie of Cleves.
After a previous betrothal to Peter II, Duke of Bourbon, she married John of Foix on 8 September 1476.
Charles II, Duke of Bourbon
Charles II, Duke of Bourbon( Château de Moulins, 1434 – September 13, 1488, Lyon), was Archbishop of Lyon from an early age and a French diplomat under the rule of Louis XI of France.
He had a 2- week tenure as Duke of Bourbon in 1488, being ousted afterward by his younger brother and successor, Peter II, Duke of Bourbon.
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.
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.
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.
Margaret of Bourbon (1438–1483)
Margaret of Bourbon (5 February 1438 – 24 April 1483) was the daughter of Charles I, Duke of Bourbon (1401–1456) and Agnes of Burgundy (1407–1476).
On 6 April 1472, she became the first wife of Philip II, Duke of Savoy (1443–1497).
Her children from this marriage were:
She died on 24 April 1483 at the Chateau de Pont d'Ain.

Question: Who is the paternal grandfather of Peter Ii, Duke Of Bourbon?