Bef. 1100, Alan ‘the Black’ born in Brittany, France, 3rd s/o §§Comte Stephen of Tréguier (d.1135-36) & Comtesse Hawise de Guingamp.
~1120, Bertha born in Brittany, France, d/o 319836090. Duke Conan III de Bretagne & 319836091. Duchess Maud ?.
~1120, Eudo I born in France, heir of 39979728. Geoffroi de Porhoët & 39979729. Hawise de Bretagne.
12/22/1135, Stephen of Blois succeeded Henry I as King of England. [Usurping King Henry’s daughter and heiress Queen Matilda; and leading to civil war.]
4/21/1136, Alan’s uncle Comte Stephen, s/o Comte Alan Rufus [who founded the Honour of Richmond], died leaving the English lands to Alan. [Geoffrey Boterel II, eldest s/o Stephen, acquired the French lands.]
8/1/1137, Louis VII succeeded Louis VI as king of France.
[––Alan & Bertha––]
~1138, Alan married Bertha. [The marriage likely arranged by King Stephen to garner support in Brittany.]
King Stephen created Alan the 1st Earl of Richmond, and recognized Alan as Earl of Cornwall [claimed by Alan as heir of his uncle Brian, formerly the earl.]
9/1139, King Henry I’s daughter Empress Matilda invaded England with forces led by her half brother Robert, Earl of Gloucester, and took control of western England.
2/3/1141, King Stephen captured at the Battle of Lincoln. Alan commanded the right flank of the King.
4/7/1141, Empress Matilda claimed the throne of England.
9/14/1141, Empress Matilda’s forces defeated at the Battle of Winchester by forces led by King Stephen’s wife Matilda of Boulogne.
11/1/1141, Matilda exchanged King Stephen for her brother Robert.
12/25/1141, Stephen again crowned King. [The civil war would continue for 12 more years.]
1142, King Stephen again captured Lincoln castle from Randulf with the support of Alan, earl of Brittany. Randulf (79958020), earl of Chester, with the help of the Earl of Gloucester soon recaptured the castle and the Earl of Brittany. Alan was forced to relinquished his claim to the Earldom of Cornwall. (S) Battle Abbey Roll.
9/15/1146, Alan died, buried in Bégard monastery.
[––Eudo & Bertha––]
Bertha returned to Brittany.
~1147, Bertha married 2nd Vicomte Odo [Eudo] de Porhoet.
1148, Duke Conan III disinherited his son Hoel as illegitimate on his deathbed, leaving Bertha as heiress to Brittany. [Hoel retained the county of Nantes.]
1148, Eudo recognized as Duke of Brittany in right of his wife. (S) Henry II, Warren, 1973, P76.
9/17/1148, Bertha’s father died. (S) FMG.
1149, ‘Eudo comes’ founded the abbey of Notre-Dame de Lantenac. (S) FMG.
1153, Bertha gave her son Conan IV her claims to the honour of Richmond in England and the duchy of Brittany. Odo [Eudo] de Porhoet refused to give up control.
1153, ‘Eudo comes’ confirmed a donation to Saint-Martin de Josselin, with the consent of, fratrum meorum … Joscii vicecomitis et Alani Ceoche.
1156, Eudo took control of Nantes when Bertha’s brother Hoel was forced out.
9/1156, Eudo deposed by his stepson who had invaded from England.
[Undated] Eudo taken prisoner by Raoul de Fougeres of Normandy.
1163, Bertha died. (S) FMG, (S) Henry II, Warren, 1973, P105.
8/1167, Eudo married 2nd d/o Vicomte Guyomar de Leon.
1168, Eudo ignored a summons by King Henry. The King captured and tried Eudo, who had to give his daughter as a hostage. [Eudo later claimed King Henry took has daughter as a mistress.]
1173, Eudo supported the rebellion of King Henry’s sons. After Eudo and his allies lost a battle against King Henry’s forces, Eudo returned to his own castle of Chateau-Josselin, and from their captured and fortified the castle at Ploesmel.
1175, King Henry sent forces against Eudo. King Henry took Eudo’s land holdings of Vannes, Plormel, Auray, and half of Cornouaille.
Aft. 1180, Eudo died.
(S) Foundation for Medieval Genealogy. (S) Henry II, Warren, 1973. (S) King Henry II and the Conflict of 1173-74, Moen, Thesis, University of Olso, 2018.
Child of Alan and Bertha:
i. Conan IV of Brittany (79959022), born ~1140 in Brittany, France.
ii. Constance of Brittany, born ? in Brittany, France.
Constance married Alan III, Vicomte de Rohan.
Child of Eudo and Bertha:
i. Eudo de Porhoet (39979514), born ~1164 in France.
6/20/1184, Alanus vicecomes de Rohan … witnessed by ‘Eudone filio Comitis’, … (S) FMG.
1231, Eudo died. (S) FMG.
Daughter of Eudo: Maud of Porhoët (19989757), born ~1185 in France. [1st of 3 daughters.]