Duchy of Alençon

The county of Alençon and subsequently the Duchy of Alençon came into being relatively late. The county was formed around 1080 around the rule Bellême , whose heiress Mabile Roger II. De Montgommery († 1094) married, who was the first to bear the title of Count of Alençon. The last of his descendants, Countess Alix , sold the county to King Philip II. King Louis IX in 1220 . gave it in 1268 to his fifth son, Peter , who died without children. Philip IV gave Alençon to his brother Karl von Valois in 1291 , who left it to his second son Charles II , whose descendants kept the county, from 1404 as a peerage and from 1414 as a duchy, until it was united with the crown in 1549.

Lords of Alençon

Bellême house

• ? Yves de Bellême
• ? -1028 Guillaume I de Belleme son
• 1028–1030 Robert de Bellême son
• 1030–? Guillaume II. Talvas de Bellême brother
• ? –1082 Mabile de Bellême's daughter (murdered by Hugh Bunel)

Counts of Alençon

House Montgommery

• 1054-1094 Roger II. De Montgommery husband Mabillas (Vice Earl of Hiémois , Earl of Shrewsbury )
• 1094-? Robert II son ( Earl of Shrewsbury )
• ? –1171 Wilhelm III. Talva's son (as Wilhelm I. Talvas Count of Ponthieu , Le Perche , Montreuil and Sées ).
• 1171–1191 Johann I son
• 1191 Johann II son
• 1191-1217 Robert III. Brothers

1217–1269 French crown domain

Capetians

• 1269–1283 Peter I. 5th son of King Ludwig IX. (received as apanage for part of the county of Le Perche )

1283–1291 French crown domain

House Valois

The county was expanded in 1291 to include the dominions of Moulins-la-Marche , Bonmoulin , Sainte-Scolasse , Domfront , Argentan and Exmes .

• 1291–1325 Charles I, brother of King Philip IV.
• 1325–1346 Charles II son ( died August 26, 1346 in the Battle of Crécy ).
  
• 1346-1361 Charles III. Son († 1375 , he becomes Dominican in 1361 and Archbishop of Lyon in 1365 )
• 1361–1391 Peter II brother
• 1391–1415 Johann I Son (from 1414 Duke of Alençon, died on October 25, 1415 in the Battle of Azincourt )

Dukes of Alençon

House Valois

• 1415–1476 Johann II son
• 1476–1492 René son
• 1492–1521 Charles IV's son
• 1509–1549 Margaret of Angoulême wife , Duchess of Alençon, 1517 Duchess of Berry, 1525 sovereign Countess of Armagnac etc.

Alençon reverted to the French crown in 1549.