He was the son of Eudes I Comte de Blois, de Chartres, de Châteaudun, de Tours, de Beauvais et de Dreux, and his wife, Berthe de Bourgogne.[1]
Eudes was the brother of:
Robert who died between 989 and 995 (the existence of this brother is uncertain);[2]
Thibaut de Blois, 979/81-11 July 1004, buried at Chartres Saint-Pere, succeeded his father in 995 as Thibaut II Comte de Blois, which he resigned in favour of his younger brother, Eudes, to become a priest;[2]
Agnes de Blois, confirmed a donation to confirmed a donation to Bourgeuil by Emma Comtesse de Poitiers in September 1001;[2]
Thierry de Blois, died 996/September 1101, buried at Chartres Saint-Pere;[2]
circa 1003/4, Mathilde de Normandie, died circa 1005, the daughter of Richard I "Sans-peur", Comte [de Normandie] and his second wife, Gunnora, with whom he had no children, the basis for the dispute between Comte Eudes and Duke Richard which escalated into the construction of the château de Tillières which Eudes attempted to capture but was defeated;[1]
Ermengarde d'Auvergne, daughter of Guillaume IV Comte d'Auvergne and his wife, Humberge de Brioude, married in 1005, with whom he had four children:[1]
Thibaut de Blois (circa 1010-29/30 Sep 1089), succeeded his father in 1037 as Thibaut III Comte de Blois, de Chartres, de Châteaudun, de Meaux, de Sancerre et de Troyes;
Etienne (Stephen) de Blois died 19 May 1048, became Comte de Troyes;
Berthe de Blois died 11/13 Apr 1085, married 1) in 1018, Alain III Duke of Brittany, son of Geoffroy I Duke of Brittany and his wife Havise de Normandie, and 2) after 14 May 1046, Hughues IV Comte du Maine, son of Herbert I "Eveille-chien" Comte du Maine;
Titles
Eudes was Eudes II Comte de Blois, de Chartres, de Châteaudun, de Tours, de Beauvais,[1] from 1004, Troyes (as Odo IV) and Meaux (as Odo I) from 1022, also Reims and Provins.[3]
Death
Eudes was killed in battle at Commercy (near Bar-le-Duc[3]) on 15 Nov 1037, and buried at Tours, in the Abbaye de Saint-Martin, Marmoutier.[1]
Charles Cawley, Foundation for Medieval Genealogy (FMG), "B. COMTES de BLOIS [943]-1218: CENTRAL FRANCE", A prosopography of medieval European noble and royal families, Medieval Lands, 23 May 2014, http://fmg.ac/Projects/MedLands/CENTRAL%20FRANCE.htm#_Toc359762884, accessed 7 December 2015.
Stuart, Roderick W. Royalty for Commoners. Baltimore, MD: Genealogical Publishing Co., 2002. Reviews of the 4th Edition of this book at Amazon.com say "anyone seriously interested in royal medieval genealogy would do well to steer clear of this book", "Avoid this book", "Don't waste your money", "Full of mistakes and a lot of lines not reliable", "Genealogical Publishing Co., Inc. of Baltimore owes the genealogical community an apology for publishing this rubbish. And now they've issued a paperback edition. Apparently, the editorial board at GPC doesn't understand or care that people take this garbage seriously, and it's not right to take advantage of them." ...
MH:S96 User ID: CCD7662F-AD30-47C8-B9BC-6B348174ACE3 Title: Eula Maria McKeaig II - 061204.FTW
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Venables-174 and Blois-42 appear to represent the same person because: Both profiles represent Eudes/Odo, Count of Blois, who had wives Matilda and Ermengarde. The correct last name at birth is "Blois". "Venables" stems from a hypothesis that Gilbert Venables-25 is the grandson of Eudes/Odo. This hypothesis is unproven, and in any case, the last name "Venables" started with Gilbert and should not be used for the Counts of Blois. Please merge, thanks!
Champagne Blois-3 and Blois-42 appear to represent the same person because: Same death date, similar birth dates, intended to be the same person. Blois is the preferred LNAB as this dynasty didn't rule in Champagne for several more generations.
same date of death
same mother