Pierre Ier of Brittany

See also: Pierre de Dreux, Pierre Ier

Pierre de Dreux known as Mauclerc (1191 - July 6th 1250), was Baillistre of Brittany (1213 - 1237) and Count de Richmond (1219-1235).

He was the son of Robert II, count de Dreux and of Yolande de Coucy.

Initially intended for a career in the clergy, it there renonça, from which the nickname would come from Mauclerc . It is in remembering this episode ecclesiatic which it broke the paternal blazon with a frank district of hermine, then reserved with the clergy. After the assassination of Arthur Ier of Brittany, Philippe Auguste Maria with her heiress Alix de Thouars, in order to bring closer the duchy to Brittany of the kingdom of France.

Pierre Mauclerc supported Philippe Auguste in his combat against England, and fought with the wire of the king to the Rock-with-Monks in 1214 against Jean without Ground. He then took part in 1219 in the catch of Marmande and the seat of Toulouse during the Albigensian Crusade. Of return in Brittany, it repressed a revolt of the Breton barons, then helped Louis VIII the Lion in its fight against Henri III of England (seats of Niort and La Rochelle in 1224). It also accompanied it when this one engaged in the Albigensian Crusade, but, in died of this last, it took part, with the majority of large of the kingdom, with four revolts against the regent Blanche of Castille, between 1227 and 1234.

After the death of Alix (1221), he was regent of the duchy in the name of his son Jean Ier, who became major in 1237. Pierre Mauclerc was then made call Pierre de Braine and left to fight in Holy Land in 1240. Returned to France, it gained some maritime successes against the English in 1242 and 1243.

In 1249, it took part in the Egyptian crusade of Saint Louis, with the return of which it died. It will be buried in the necropolis family of the Saint-Yved abbey of Braine.

Its nickname of Mauclerc can also refer to the conflict relation which it maintained with the bishop Nantes. This one did not want to yield grounds to him belonging to the clergy, which were located under the layout of the new enclosure of the city.

Family and descent

Of his wife Alix of Brittany (1201 - 1221), it had had three children:

Jean Ier (1217 - 1286), duke of Bretagne ;
Yolande (1218 - 1272), married to Hugues XI, Lord of Lusignan, Count of Walk and Angouleme ;
Arthur (1220 - 1224).

Of its second wife Marguerite de Commequiers, rams of Montagu and of Garnache (1188/90 - after 1241), it had one made unique :

Olivier Ier de Braine (1231 - 1279), lord of Machecoul.

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