MILON [V] de Tonnerre, son of MILON [III] & his wife --- ([995/1005]-[before/after 29 Sep 1046]).

m AZECA, daughter of --- (-before 1068).

Milon [V] & his wife had five children:

1. GUY de Tonnerre ([1025/30]-before 29 Sep 1046).

2. HUGUES RAINARD de Tonnerre (-2/3 Apr 1084).

3. WARNER de Tonnerre .

4. GEOFFROY de Tonnerre .

5. EUSTACHIE de Tonnerre . 1072/[1100/05]. Ctss de Bar-sur-Seine. "Rainardus…Lingonensis episcopus, Walteri Breonensis comitis heredis mei et uxoris sue sororis mee" donated property to Montiérender by charter dated 1072, subscribed by "Eustatie comitisse, Walteri comitis Brinensis, Engelberti filii eius, Widonis comitis, Girardi militis, Widonis militis, Aldonis"[86]. m GAUTHIER [I] Comte de Brienne, son of ENGELBERT [III] Comte de Brienne & his wife Petronille --- (-before [1089/90]). Comte de Bar-sur-Seine 1081.* https://fmg.ac/Projects/MedLands/burgdtonne.htm#MiloIVTonnerredied1...

x GAUTHIER [I] de Brienne (-[1090]). A manuscript genealogy, dated to the early 12th century, records "Windesmode Ingelbertus et Witdo de Upione, ex Ingelberto Walterius comes de Brena"[23]. "Comes Breonensium Gualterus cum matre sua Petronilla" donated property to Montiérender by charter dated 28 Dec 1035[24]. Comte de Brienne. The Chronicle of Alberic de Trois-Fontaines names "Galterus" as successor of "comes de Brena…Engilbertum" but does not specify the relationship between the two[25].
Comte Gauthier [I] & his wife had five children:

a) ENGELBERT de Brienne (-after 1082). "Rainardus…Lingonensis episcopus, Walteri Breonensis comitis heredis mei et uxoris sue sororis mee" donated property to Montiérender by charter dated 1072, subscribed by "Eustatie comitisse, Walteri comitis Brinensis, Engelberti filii eius.."[27]. "Walterius comes Brinensis" donated property to the abbey of Molesme "annuente uxore mee et Engelberto filio meo et ceteris filiis meis et filiabus meis" by charter dated to [1076/89]/[1090][28]. A monk at Molesme 1076-82[29].

b) ERARD [I] de Brienne (-[1114/25], bur Montier-en-Der). A note of a donation by "Hugo comes Trecorum" to "Monasterium Arremari" is included in a charter dated 1113, signed by "Milo comes Barri, Ayrardus frater eius comes Brenie"[30]. He succeeded his father as Comte de Brienne. "Airardus comes Brinensis" confirmed donations of "pater meus Walterius comes" to the abbey of Molesme with the consent of "mater mea et due sorores mee" by charter dated to [1085/95][31]. He took part in the First Crusade in 1097[32]. "Airardus comes Brinensis filius Walterii comitis" donated property to the abbey of Molesme with the consent of "matre sua Eustachia comitissa et uxore sua [blank], necnon et Milone fratre suo comite de Barro" by charter dated to [1085/1111][33]. "Airardus Breonensis comes…et comitem Barrensem Milonem fratrem suum" are named in a charter dated [1125 or before], in which "Walterii nepotis sui filii Airardi defuncti comitis" is named, clarifying that Comte Erard was then deceased[34]. m ALIX de Montdidier, daughter of ANDRE de Montdidier Seigneur de Ramerupt & his first wife Adela --- (-1143 or after). The Chronicle of Alberic de Trois-Fontaines refers to the wife of "Erardus…comes Brenensis" as "unam filiarum comitis Andree de Archeis et de Ramerut" but does not name her[35]. The Genealogiæ Scriptoris Fusniacensis specifies that one daughter (unnamed, mentioned first) of "Andreas comes de Rameruth" married "Aerardo comiti Briennensi"[36]. The primary source which names her has not yet been identified. She founded the abbey of Bassefontaine with her son Gauthier in 1143[37]. Erard [I] & his wife had three children:

c) MILON de Brienne (-[1126]). His parentage is proved by his undated charter under which "Milo…comes Barris super Sequanam" donated property to the abbey of Molesme with the consent of "Matildis uxor eius, Airardus comes frater eius"[44]. Comte de Bar-sur-Seine.

d) daughter . A manuscript genealogy, dated to the early 12th century, records "Windesmode Ingelbertus et Witdo de Upione, ex Ingelberto Walterius comes de Brena, ex Walterio filia nata est ista quam Fulco comes noster uxorem duxerat"[45]. "Airardus comes Brinensis" confirmed donations of "pater meus Walterius comes" to the abbey of Molesme with the consent of "mater mea et due sorores mee" by charter dated to [1085/95][46]. A genealogy presented by Foulques IV "le Réchin" Comte d'Anjou to the bishop of Angers in [1085], justifying the annulment of his fourth marriage with the daughter of Gauthier Comte de Brienne, lists "ex Letaldo, Albericus natus est, ex Alberico, Beatrix, ex Beatrice, Gosfredus de Castello Landonensi, ex Gaufrido, Gaufridus et Fulco presens"[47]. m (after 1080, divorced before 1089) as his fourth wife, FOULQUES IV "le Réchin" Comte d'Anjou, son of GEOFFROY II Comte de Gâtinais, Seigneur de Château-Landon & his wife Ermengarde d'Anjou (1043-14 Apr 1109).

e) MANTIA de Brienne . "Airardus comes Brinensis" confirmed donations of "pater meus Walterius comes" to the abbey of Molesme with the consent of "mater mea et due sorores mee" by charter dated to [1085/95][48]. “Milo...comes Barri super Sequanam” donated property “apud villam...Capella...et apud...villam...Elmertium” to Molesmes, with the consent of “Matildis uxor eius, Airardus comes frater eius, Mantia amborum soror”, by charter dated to 1115, witnessed by “Olricus vicecomes, Gaufredus nepos eius...”[49].

• https://fmg.ac/Projects/MedLands/chambrien.htm#GautierIBriennedied1090

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Hugues-Renaud was named Count of Tonnerre and Bar-sur-Seine after his mother Azeka died. When he chose to become a priest, he ceded his title to Tonnerre to his cousin Ermengarde de Tonnerre, wife of Guillaume I de Nevers, count of Nevers and Auxerre. He ceded his title of Count of Bar-sur-Seine to his sister Eustachie de Tonnerre and her husband Gautier I de Brienne, Count of Brienne.

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Eustachie (?)1

F, #119946

Last Edited=29 Apr 2004

    Eustachie (?) is the daughter of Milon, Comte de Tonnerre and Azeka de Bar.1 She married Walter I, Comte de Brienne, son of Engilbert IV, Comte de Brienne and Peronelle (?).1

She was the eventual heiress of the county of Bar-sur-Seine.1
Children of Eustachie (?) and Walter I, Comte de Brienne

Erard I, Comte de Brienne+1 d. a 1125

unknown daughter (?)1

Walter (?)1 d. a 1141

Engilbert (?)1 b. 1060, d. 1085

Milon II, Comte de Bar-sur-Seine+1 b. 1075, d. a 1125

Citations

[S8] Charles Mosley, editor, Burke's Peerage and Baronetage, 106th edition, 2 volumes (Crans, Switzerland: Burke's Peerage (Genealogical Books) Ltd, 1999), volume 1, page 226. Hereinafter cited as Burke's Peerage and Baronetage, 106th edition.