Pierre II, Count of Alençon

Peter II of Alençon, called the Noble (1340 – 20 September 1404, Argentan), was the son of Charles II of Alençon 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 after the Battle of Poitiers, and did not return to France until 1370. He and his brother Robert campaigned against the English in Aquitaine, taking Limoges, but failed to capture Usson (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 (29 March 1373–1417), married 1390 in Paris John VII of Harcourt, Count of Harcourt and Aumale (d. 1452).
2. Peter (1374–1375)
3. John (1375–1376)
4. Marie (1377)
5. Jeanne (1378–1403, Argentan)
6. Catherine (1380, Verneuil – 25 June 1462, Paris), married 1411 in Alençon Peter d'Évreux, Infante of Navarre and Count of Mortain (1366–1412), married 1 October 1413 in Paris Louis VII, Duke of Bavaria-Ingolstadt (1365–1447)
7. Marguerite (1383 – aft. 1400), became a nun at Argentan
8. John I of Alençon (1385–1415)

He subsequently fought under Guesclin in Brittany and was wounded before Hennebont, 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