John IV, Duke of Brittany
Encyclopedia
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...
), was duke of Brittany
Duke of Brittany
The Duchy of Brittany was a medieval tribal and feudal state covering the northwestern peninsula of Europe,bordered by the Alantic Ocean on the west and the English Channel to the north with less definitive borders of the Loire River to the south and Normandy to the east...
, from 1341 to his death. He was son of Duke Arthur II
Arthur II, Duke of Brittany
Arthur II , of the House of Dreux, was Duke of Brittany from 1305 to his death. He was the first son of John II and Beatrice, daughter of Henry III of England and Eleanor of Provence....
and Yolande de Dreux, countess of Montfort, his second wife.
In 1322 he succeeded his mother as count of Montfort, and in 1329, he married Joanna of Flanders
Joanna of Flanders
Joanna of Flanders , also known as, Countess Jeanne, Jehanne de Montfort, and Jeanne la Flamme, was consort Duchess of Brittany by her marriage to John IV, Duke of Brittany...
at Chartres
Chartres
Chartres is a commune and capital of the Eure-et-Loir department in northern France. It is located southwest of Paris.-Geography:Chartres is built on the left bank of the Eure River, on a hill crowned by its famous cathedral, the spires of which are a landmark in the surrounding country...
. They had two children:
- John V, Duke of BrittanyJohn V, Duke of BrittanyJohn V the Conqueror KG was Duke of Brittany and Count of Montfort, from 1345 until his death.-Numbering:...
(1339–1399) - Joan of Brittany, Baroness of DraytonJoan of Brittany, Baroness of DraytonJeanne de Montfort, also known as Jeanne de Bretagne and Jeanne de Montfort, 1341 - November 8, 1402 was the sister of John V, Duke of Brittany.- Biography :Her parents were John de Montfort, Duke of Brittany, and Joanna of Flanders....
(1341 – aft. 20 October 1399), married before 21 October 1385 Ralph Basset, 4th Baron Basset de Drayton
Breton War of Succession
When his half-brother, duke John IIIJohn III, Duke of Brittany
John III the Good was duke of Brittany, from 1312 to his death. He was son of Duke Arthur II and Mary of Limoges, his first wife...
, died with no male heirs in 1341, John IV decided to contest the rights of his niece, Joanna of Penthièvre, and her husband, Charles of Blois
Charles, Duke of Brittany
Charles of Blois , claimed the title Duke of Brittany, from 1341 to his death.Charles is the son of Guy I of Blois-Châtillon, count of Blois, by Margaret of Valois, a sister of king Philip VI of France. He was a devout man, who took piety to the extreme of mortifying his own flesh...
, to the duchy of Brittany. This led to the Breton War of Succession
Breton War of Succession
The Breton War of Succession was a conflict between the Houses of Blois and Montfort for control of the Duchy of Brittany. It was fought between 1341 and 1364. It formed an integral part of the early Hundred Years War due to the involvement of the French and English governments in the conflict; the...
part of the Hundred Years' War
Hundred Years' War
The Hundred Years' War was a series of separate wars waged from 1337 to 1453 by the House of Valois and the House of Plantagenet, also known as the House of Anjou, for the French throne, which had become vacant upon the extinction of the senior Capetian line of French kings...
. His patron in this quest was king Edward III of England
Edward III of England
Edward III was King of England from 1327 until his death and is noted for his military success. Restoring royal authority after the disastrous reign of his father, Edward II, Edward III went on to transform the Kingdom of England into one of the most formidable military powers in Europe...
.