Alan IV "Fergant", Duke of Brittany

Other Events and Attributes:

• General Information: He was also the Count of Nantes and the Count of Rennes.
• Title(s): 1084; He became the Duke of Brittany in 1084.
• Charter/Grant/Gift: 1092; Alan IV donated property to the Abbey of Redon by charter in 1092.
• Military: 1098; Alan went on the First Crusade in 1098, as part of the army of Robert Curthose, leaving Ermengarde as his regent, and returned in 1101.
• Title(s): 1112; In 1112, he abdicated. The former duke retired to the monastery of Redon.
• Last Full Review: 15 Jul 2020

Notes:

Name:

Alan married Constance in 1086 in Caen, Calvados, Normandy, France. Constance (daughter of William I "the Conqueror", King of England and Maltilda of Flanders, Duchess of Normandy and Queen of England) was born on 1057 or 1061 in Normandy, France; died on 13 August, 1090 in Brittany, France; was buried in Church of St Melans, Redon, Ille-et-Vilaine, France. [Group Sheet] [Family Chart]

Notes:

Married:
To prevent further hostilities during his invasion of England, William I married his daughter Constance to the new duke Alan.

Alan married Ermengarde of Anjou in 1093. Ermengarde (daughter of Fulk IV "Rechin", Count of Anjou and Hildegarde de Baugency) died on 1 Jun 1147. [Group Sheet] [Family Chart]

Notes:

Married:
Their marriage was a political alliance with Fulk IV of Anjou to counter Anglo-Norman influence.

1. Geoffroy of Brittany died in 1116.
2. Havide of Brittany
3. Conan III "le Gross", Duke of Brittany died in 1148.
4. Hawise died in 1072.

Other Events and Attributes:

• History: birth to death

Notes:

History:
He was also the Count of Cornouille.

In 1066, he became the jure uxoris Duke of Brittany.

Hoel exercised authority jure uxoris and continued to control the government after his wife's death in 1072, acting as regent for their son, Alan IV.

Hoël married Hawise before 1058. Hawise (daughter of Alan III, Duke of Brittany and Bertha of Blois) was born about 1037; died on 19 Aug 1072. [Group Sheet] [Family Chart]

Other Events and Attributes:

• Title(s): 1066; In 1066 she became the Duchess of Brittany.
• Last Full Review: 25 Jun 2020

Notes:

Name:

Other Events and Attributes:

• History: He was the guardian of the young Duke William.

Notes:

Died:
He was murdered.

Alan married Bertha of Blois in 1018. Bertha (daughter of Eudes II, Count of Blois and Champagne and Ermengarde of Auvergne) died between 11 Apr 1085 and 13 Apr 1085. [Group Sheet] [Family Chart]

Notes:

Weis (1982) has their marriage date as about 1027.

Geoffrey married Hawise of Normandy between 996 and 999. Hawise (daughter of Richard I "the Fearless", Duke of Normandy and Gunnor of Crêpon) died on 21 Feb 1034. [Group Sheet] [Family Chart]

Other Events and Attributes:

• General Information: His name was also spelt Odo.
• Title(s): 1004; He became the Count of Blois in 1004.
• Title(s): 1019; He became the Count of Champagne in 1019.

Eudes married Ermengarde of Auvergne in 1020. Ermengarde (daughter of Robert I, Count of Auverne and Ermengarde) died on 10 Mar 1040. [Group Sheet] [Family Chart]