Conan IV (c. 1138 – 18/20 February 1171), called the Young, was the Duke of Brittany from 1156 to 1166. He was the son of Bertha, Duchess of Brittany, and her first husband, Alan, Earl of Richmond. Conan IV was his father's heir as Earl of Richmond and his mother's heir as Duke of Brittany. Conan and his daughter Constance would be the only representatives of the House of Penthièvre to rule Brittany.
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⭐ Core Definition: Conan IV, Duke of Brittany
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👉 Conan IV, Duke of Brittany in the context of Margaret of Huntingdon, Duchess of Brittany
Margaret of Huntingdon (1145 – 1201) was a Scottish princess and Duchess of Brittany. She was the sister of Scottish kings Malcolm IV and William I, wife of Conan IV, Duke of Brittany, and the mother of Constance, Duchess of Brittany. Her second husband was Humphrey de Bohun, hereditary Constable of England. Following her second marriage, Margaret styled herself as the Countess of Hereford.
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Conan IV, Duke of Brittany in the context of Duchy of Brittany
The Duchy of Brittany (Breton: Dugelezh Breizh [dyˈɡɛːlɛs ˈbrɛjs]; French: Duché de Bretagne) was a medieval feudal state that existed between approximately 939 and 1547. Its territory covered the northwestern peninsula of France, bordered by the Bay of Biscay to the west, and the English Channel to the north. It was also less definitively bordered by the river Loire to the south, and Normandy, and other French provinces, to the east. The duchy was established after the expulsion of Viking armies from the region around 939. In the 10th and 11th centuries, it was politically unstable, with the dukes holding only limited power outside their own personal lands. The Duchy of Brittany had mixed relationships with the neighbouring Duchy of Normandy, sometimes allying itself with Normandy, and at other times, such as the Breton–Norman War, entering into open conflict.
Henry II of England invaded Brittany in the mid-12th century and became Count of Nantes in 1158 under a treaty with Duke Conan IV. Henry's son, Geoffrey, became Duke through his marriage to Constance, the hereditary Duchess. The Angevins remained in control until the collapse of their empire in northern France in 1204. The French Crown maintained its influence over the duchy for the rest of the 13th century. Monastic orders supported by the Breton aristocracy spread across the duchy in the 11th and 12th centuries, and in the 13th, the first of the mendicant orders established themselves in Brittany's major towns. A civil war broke out in the 14th century, as rival claimants for the duchy vied for power during the Breton War of Succession, with different factions supported by England and France.
Conan IV, Duke of Brittany in the context of Constance, Duchess of Brittany
Constance (Breton: Konstanza; c. 1161 – c. 5 September 1201) was Duchess of Brittany from 1166 to her death in 1201 and Countess of Richmond from 1171 to 1201. Constance was the daughter of Duke Conan IV by his wife, Margaret of Huntingdon, a sister of the Scottish kings Malcolm IV and William I. Her first husband was Geoffrey, fourth son of King Henry II of England.