Alan IV, Duke of Brittany

Abt 1063 - 1119  (56 years)

• Name	Alan IV
  Nickname	Fergant
  Birth	Abt 1063  [5]
  General Information	He was also the Count of Nantes and the Count of Rennes.  [5]
  Title(s)	1084 (21 years)  [1, 5]
  He became the Duke of Brittany in 1084.
  Charter/Grant/Gift	1092 (29 years)  [5]
  Alan IV donated property to the Abbey of Redon by charter in 1092.
  Military	1098 (35 years)  [5]
  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 (49 years)  [1, 5]
  In 1112, he abdicated. The former duke retired to the monastery of Redon.
  Death	13 Oct 1119	Caen, Calvados, Normandy, France   [1, 3, 4, 5]
  Patriarch & Matriarch	Hoël, Duke of Brittany   d. 13 Apr 1084  (Father)  Gerberga of the Gatinais   d. After 952  (4 x Great Grandmother)
  Person ID, Branch	I3087	Roy Line, Boudreau Line
  Last Modified	31 Jul 2021

  
  

  Father	Hoël, Duke of Brittany   d. 13 Apr 1084
  Relationship	Birth
  Mother	Hawise,   b. Abt 1037   d. 19 Aug 1072 (Age 35 years)
  Relationship	Birth
  Family ID	F2490	Group Sheet  |  Family Chart

  
  

  Spouse / Partner 1	Constance,   b. 1057 or 1061, Normandy, France d. 13 August, 1090, Brittany, France Brittany no longer exists as a Department, but simply as a region in France (Age 29 years)
  Marriage	1086	Caen, Calvados, Normandy, France   [1, 5]
  To prevent further hostilities during his invasion of England, William I married his daughter Constance to the new duke Alan. [5]
  Age at Marriage	He : ~ 23 years - She : ~ 25 years.
  Family ID	F2489	Group Sheet  |  Family Chart
  Last Modified	31 Jul 2021

  
  

  Spouse / Partner 2	Ermengarde of Anjou   d. 1 Jun 1147
  Marriage	1093  [1, 5]
  Their marriage was a political alliance with Fulk IV of Anjou to counter Anglo-Norman influence. [5]
  Age at Marriage	He : ~ 30 years - She : ??.
  Separated	1112  [5]
  Alan and Ermengarde were separated upon his abdication as duke in 1112 and becoming a monk.
  Children	2 sons and 2 daughters
  1. Geoffroy of Brittany   d. 1116  [Father: Birth]  [Mother: Birth] >   2. Havide of Brittany  [Father: Birth]  [Mother: Birth] ▻ Baldwin VII, Count of Flanders +   3. Conan III, Duke of Brittany   d. 1148  [Father: Birth]  [Mother: Birth] ▻ Matilda +   4. Hawise   d. 1072  [Father: Birth]  [Mother: Birth] ▻ Geoffrey, Vicompte de Porhoët
  Family ID	F2488	Group Sheet  |  Family Chart
  Last Modified	31 Jul 2021

  
  

• Pedigree

  ← Click to display 1Alan IV, Duke of Brittany(Abt 1063 – 1119) 2Hoël, Duke of Brittany( – 1084) 4 8 16 17 9 18 19 5 10 20 21 11 22 23 3Hawise(Abt 1037 – 1072) 6Alan III, Duke of Brittany(Abt 997 – 1040) 12Geoffrey, Duke of Brittany(Abt 980 – 1008) 24Conan I, Duke of Brittany, Count of Rennes( – 992) 25Ermengarde d'Anjou 13Hawise of Normandy( – 1034) 26Richard I, Duke of Normandy(933 – 996) 27Gunnor of Crêpon(936 – 1031) 7Bertha of Blois( – 1085) 14Eudes II, Count of Blois and Champagne(990 – 1037) 28Eudes I, Count of Blois(950 – 995) 29Bertha of Burgundy, Princess of Burgundy(Abt 964 – Abt 1016) 15Ermengarde of Auvergne( – 1040) 30Robert I, Count of Auverne( – 1032) 31Ermengarde

  
  

• Event Map		Marriage - 1086 - Caen, Calvados, Normandy, France Death - 13 Oct 1119 - Caen, Calvados, Normandy, France  = Link to Google Earth
  Pin Legend	: Address       : Location       : City/Town       : County/Shire       : State/Province       : Country       : Not Set

  
  

• Photos

  Seal of Alan IV

  
  

• Sources 🟢 Primary Evidence 🟡 Secondary Evidence 🟠 Tertiary Evidence 🔴 Unreliable Evidence

  [S1569] Lundy, Darryl. The Peerage web site, (Wellington, New Zealand: http://www.thepeerage.com/index.htm, 2019). [S65] Sewell, Robert James. Sewell: A History of the Sewell Family from the Earliest Times, (unknown: manuscript, March 2008). [S1682] Weir, Alison. Britain's Royal Families, (London: Vintage Books, 1989). [S59] Weis, Frederick Lewis. Ancestral Roots of Sixty Colonists Who Came to New England Between 1623 and 1650 Fifth Editionif, (Baltimore, Maryland: Genealogical Publishing Co., 1982). [S304] Wikipedia, Alan IV, Duke of Brittany.