Louis II, Count of Montpensier
Louis de Bourbon, Count of Montpensier( 1483 – August 14, 1501, Naples) was the son of Gilbert, Count of Montpensier and Claire Gonzaga.
He was Count of Montpensier and Clermont- en- Auvergne and Dauphin d'Auvergne from 1496 to his death.
He died unmarried and was succeeded by his brother Charles III, Duke of Bourbon.
Louis, Prince of La Roche-sur-Yon
Louis de Bourbon( 1473 – 1520) styled as the" Prince of La Roche- sur- Yon" was born in 1473.
He was the son of John II, Count of Vendôme and Isabel de Beauveau.
He married his cousin, Louise de Bourbon, Duchess of Montpensier, eldest daughter of Gilbert of Bourbon, Count of Montpensier and Clara Gonzaga, on 21 March 1504, by whom he had three children.
He died in 1520.
John I, Duke of Bourbon
Jean de Bourbon (1381–1434) was Duke of Bourbon, from 1410 to his death and Duke of Auvergne since 1416.
He was the eldest son of Louis II and Anne of Auvergne.
Through his mother, John inherited the County of Forez.
During the Armagnac–Burgundian Civil War he took sides against the Burgundians.
John was captured at the Battle of Agincourt and died a prisoner in London, in spite of the payment of several ransoms, and promises to support the king of England as king of France.
In 1400 in Paris, he married Marie, Duchess of Auvergne, daughter of John, Duke of Berry, who inherited the Auvergne title from her father.
They had three sons:
In addition, he had an illegitimate daughter:
Simon Louis, Count of Lippe
Simon Louis, Count of Lippe( 14 March 1610 at Brake Castle – 8 August 1636 in Detmold), was Count of Lippe- Detmold from 1627 until his death.
Louis I, Count of Loon
Louis I, Count of Loon( Looz)( after 1107 – 11 August 1171) was the Count of Loon, which he inherited from his father.
He ruled from approximately 1139 until his death.
Louis I, Count of Löwenstein
Louis I, Count of Löwenstein( 29 September 1463 in Heidelberg – 28 March 1523 in Löwenstein) was the founder of the House of Lowenstein- Wertheim.
Gilbert, Count of Montpensier
Gilbert de Bourbon, Count of Montpensier( 1443 – 15 October 1496, Pozzuoli) was the son of Louis de Bourbon and Gabrielle La Tour, Count of Montpensier and Dauphin d'Auvergne.
He was appointed to the Order of Saint Michael by Charles VIII in October 1483.
Henri, Duke of Montpensier
Henri de Bourbon, Duke of Montpensier, (12 May 1573 – 27 February 1608) was Dauphin of Auvergne, Duke of Montpensier, Sovereign Prince of the Dombes and Lord of Châtellerault.
Henri was born at Mézières, the son of François de Bourbon, Duke of Montpensier, and of his wife Renée d'Anjou, "marquise de Mézières".
On 15 May 1597, Henri married Henriette Catherine, daughter of Henri de Joyeuse and Catherine de Nogaret.
They had one child:
Philipp Louis, Count of Erbach-Erbach
Philipp Louis, Count of Erbach- Erbach( 10 June 1669 – 17 June 1720), was a German prince member of the House of Erbach and ruler over Erbach, Freienstein, Wildenstein, Michelstadt and Breuberg.
Born in Erbach, he was the third child and eldest son of George Louis I, Count of Erbach- Erbach and his wife Countess Amalia Katharina of Waldeck- Eisenberg, a daughter of Philipp Dietrich, Count of Waldeck- Eisenberg.
Louis I, Count of Montpensier
Louis de Bourbon (1405 – May 1486) was the third son of John I, Duke of Bourbon and Marie, Duchess of Auvergne.
He was Count of Montpensier, Clermont-en-Auvergne and Sancerre and Dauphin of Auvergne and was a younger brother of Charles I of Bourbon.
He founded the Bourbon-Montpensier branch of the House of Bourbon, who would eventually take over the Duchy in 1505.

Question: What nationality is Louis I, Count Of Montpensier's father?
Answer: France