Peter II of Alençon, called the Noble (1340 – 20 September 1404, Argentan

Argentan

Argentan is a commune, and the seat of two cantons and of an arrondissement in the Orne department in north-western France.Argentan is located NE of Rennes, ENE of the Mont Saint-Michel, SE of Cherbourg, SSE of Caen, SW of Rouen and N of Le Mans....

), was the son of Charles II of Alençon

Charles II of Alençon

Charles II of Alençon, called the Magnanimous was the second son of Charles of Valois and his first wife Margaret, and brother of Philip VI, King of France...

 and Maria de la Cerda. He was Count of Alençon 1361–1404 and Count of Perche 1377–1404.

Knighted in 1350, he was one of the hostages exchanged for King John

John II of France

John II , called John the Good , was the King of France from 1350 until his death. He was the second sovereign of the House of Valois and is perhaps best remembered as the king who was vanquished at the Battle of Poitiers and taken as a captive to England.The son of Philip VI and Joan the Lame,...

 after the Battle of Poitiers

Battle of Poitiers (1356)

The Battle of Poitiers was fought between the Kingdoms of England and France on 19 September 1356 near Poitiers, resulting in the second of the three great English victories of the Hundred Years' War: Crécy, Poitiers, and Agincourt....

, and did not return to France until 1370. He and his brother Robert

Robert of Alençon

Robert of Alençon was the son of Charles II of Alençon and Maria de La Cerda y Lara. He succeeded his father in 1346 as Count of Perche....

 campaigned against the English in Aquitaine

Aquitaine

Aquitaine , archaic Guyenne/Guienne , is one of the 27 regions of France, in the south-western part of metropolitan France, along the Atlantic Ocean and the Pyrenees mountain range on the border with Spain. It comprises the 5 departments of Dordogne, :Lot et Garonne, :Pyrénées-Atlantiques, Landes...

, taking Limoges

Limoges

Limoges |Limousin]] dialect of Occitan) is a city and commune, the capital of the Haute-Vienne department and the administrative capital of the Limousin région in west-central France....

, but failed to capture Usson

Usson, Puy-de-Dôme

Usson is a commune in the Puy-de-Dôme department in Auvergne in central France.-References:*...

 (1371).

On 10 October 1371, he married Marie Chamaillart, Viscountess of Beaumont-au-Maine (d. Argentan 18 November 1425). They had eight children:

1. Marie of Alençon
   Marie of Alencon
   Marie d'Alençon was a French noblewoman, a Princess of the Blood, and the wife of John VII of Harcourt, Count of Harcourt and of Aumale, Viscount of Châtellerault, Baron of Elbeuf, of Mézières, of Lillebone, of La Saussaye....
   
    (29 March 1373–1417), married 1390 in Paris John VII of Harcourt
   John VII of Harcourt
   Jean VII d'Harcourt was a count of Aumale, viscount of Châtellerault, seigneur of Mézières, of Elbeuf, of Lillebone, of La Saussaye etc....
   
   , Count of Harcourt
   House of Harcourt
   The House of Harcourt is a Norman family, descended from the Viking Bernard the Dane and named after its seigneurie of Harcourt in Normandy. Its mottos were "Gesta verbis praeveniant" , "Gesta verbis praevenient" , and "Le bon temps viendra .....
   
    and Aumale (d. 1452).
2. Peter (1374–1375)
3. John (1375–1376)
4. Marie (1377)
5. Jeanne (1378–1403, Argentan)
6. Catherine
   Catherine of Alençon
   Catherine d'Alençon was a younger daughter of Peter II of Alençon and his wife Marie Chamaillart, Viscountess of Beaumont-au-Maine. Catherine was the second wife of Louis VII, Duke of Bavaria...
   
    (1380, Verneuil
   Verneuil
   -Places in France:*Verneuil, Charente, in the Charente département*Verneuil, Cher, in the Cher département*Verneuil, Marne, in the Marne département*Verneuil, Nièvre, in the Nièvre département...
   
    – 25 June 1462, Paris), married 1411 in Alençon
   Alençon
   Alençon is a commune in Normandy, France, capital of the Orne department. It is situated west of Paris. Alençon belongs to the intercommunality of Alençon .-History:...
   
    Peter d'Évreux, Infante of Navarre
   Navarre
   Navarre , officially the Chartered Community of Navarre is an autonomous community in northern Spain, bordering the Basque Country, La Rioja, and Aragon in Spain and Aquitaine in France...
   
    and Count of Mortain (1366–1412), married 1 October 1413 in Paris Louis VII, Duke of Bavaria-Ingolstadt
   Louis VII, Duke of Bavaria
   Duke Louis VII of Bavaria was Duke of Bavaria-Ingolstadt from 1413 until 1443. He was a son of Stephen III and Taddea Visconti.-Biography:...
   
    (1365–1447)
7. Marguerite (1383 – aft. 1400), became a nun at Argentan
8. John I of Alençon
   John I of Alençon
   John I of Alençon, called the Sage , was the son of Peter II of Alençon and Marie de Chamaillard. In 1404, he succeeded his father as Count of Alençon and Perche. He was made Duke of Alençon in 1414.He commanded the second division of the French army at the Battle of Agincourt...
   
    (1385–1415)

He subsequently fought under Guesclin

Bertrand du Guesclin

Bertrand du Guesclin , known as the Eagle of Brittany or the Black Dog of Brocéliande, was a Breton knight and French military commander during the Hundred Years' War. He was Constable of France from 1370 to his death...

 in Brittany

Brittany

Brittany is a cultural and administrative region in the north-west of France. Previously a kingdom and then a duchy, Brittany was united to the Kingdom of France in 1532 as a province. Brittany has also been referred to as Less, Lesser or Little Britain...

 and was wounded before Hennebont

Hennebont

Hennebont is a commune in the Morbihan department in the region of Brittany in north-western France.-Geography:Hennebont is situated about ten miles from the mouth of the River Blavet, which divides it into two parts: the Ville Close, the medieval walled town, and the 17th century Ville Neuve on...

, and took part in an expedition against William I of Guelders in 1388.

He also had one illegitimate son:

1. Peter, "Bastard of Alençon" (d. aft. January 1422), Lord of Aunou