Alan IV, Duke of Brittany
Alan IV's seal
|Duke of Brittany|
|Predecessor||Hoel II & Hawise|
|Born||before 1060 or 1063x1066|
13 October 1119|
Constance of Normandy|
Ermengarde of Anjou
Hawise, Countess of Flanders
|House||House of Cornouaille|
Alan IV (born circa 1063; died 13 October 1119) was Duke of Brittany from 1084 until his abdication in 1112. He was also Count of Nantes (from c. 1103) and Count of Rennes. His parents were Duchess Hawise and Duke Hoel II. He is also known as Alan Fergant. Through his father, he was of the Breton House of Cornouaille dynasty (Breton: Kerne dynasty). He was the last Breton-speaking Duke of Brittany.
A traditional rivalry between Brittany and Normandy continued at the close of the 11th century. The Breton-Norman war of 1064–1065 was the result of William the Bastard, Duke of Normandy (later to become known as William the Conqueror) support of rebels in Brittany against Alan's maternal uncle, Conan II.
Conan II died in late 1066 during a campaign in Anjou, and was succeeded by Alan's parents, Conan's sister Hawise as Duchess and her husband Hoel II as Consort. Hoel ruled as Regent of Brittany from Duchess Hawise's death in 1072 until Alan reached his majority in 1084.
To prevent further hostilities during his invasion of England, William I married his daughter Constance to the new duke Alan in 1087. The marriage ceremonies may have taken place in Bayeux in Normandy. William of Malmesbury wrote that Constance was unpopular at the Breton court because of her "severe and conservative" manner. However, Orderic Vitalis wrote that as duchess Constance did all she could to further the welfare of the Bretons, who grieved deeply at her death in 1090.
Duke Alan IV's cousin Geoffrey I Boterel (eldest brother of Alan Rufus) died on 24 August 1093 in battle at Dol while in rebellion against the Duke.
Between 1101 and 1104, Alan's younger brother, Count Matthew of Nantes, died without issue and his county passed to Alan.
Alan IV abdicated as Duke in 1112. The former Duke retired to the monastery of Redon, where he died in 1119.
In 1098 Alan went on the First Crusade, leaving Ermengarde as his regent, and returned in 1101.
Alan IV married Constance in 1087. Constance died in 1090. They had no children.
Alan's second marriage was to Ermengarde of Anjou in 1093. With Ermengarde he had three children:
- Geoffrey - died young;
- Conan - his successor as Duke of Brittany
- Hawise - she married Count Baldwin VII of Flanders, also known as Hawise Fergant. They divorced and had no issue. Hawise remarried and had issue from this marriage with Geoffrey (1082-1141) - son of Odo I.
Alan and Ermengarde were separated upon his abdication as Duke in 1112.
He had an illegitimate son, Brian Fitzcount.
Alan IV died in 1119 at the monastery of Redon, where he had retired after his abdication in 1112, and separation from his wife Ermengarde. His only surviving son, Conan III succeeded him.
- Gwenno Piette, A concise History of Brittany (University of Wales Press, Cardiff, 2008), p. 36
- Following medieval examples given in Bailey et al., Alan may have been twenty-one years of age at that time.
- J. A. Everard, Brittany and the Angevins: Province and Empire 1158–1203, (Cambridge University Press, 2004), 10.
- J. A. Everard, Brittany and the Angevins: Province and Empire 1158–1203, 12.
- W. L. Warren, Henry II, (University of California Press, 1974), 74.
- B. Gregory Bailey, Meaghan E. Bernard, Gregory Carrier, Cherise L. Elliott, John Langdon, Natalie Leishman, Michal Mlynarz, Oksana Mykhed and Lindsay C. Sidders (January 2008). "Coming of Age and the Family in Medieval England". Journal of Family History. 33 (1). pp. 41–60. doi:10.1177/03631990073084492008.
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Alan IV, Duke of Brittany
House of CornouailleDied: 13 October 1119
Hawise and Hoel II
|Duke of Brittany
| Succeeded by|