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"[322]. "Comes Breonensium Gualterus cum matre sua Petronilla" donated property to Montiérender by charter dated 28 Dec 1035[323]. 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[324]. m EUSTACHIE de Tonnerre, daughter of MILO [V] Comte de Tonnerre et de Bar-sur-Seine & his wife Aceka ---. 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"[325]. Comte Gauthier [I] & his wife had five children