Guillaume III DES BARRES, Seigneur d'Oissery, de Saint-Pathus et de Silly
- Born: Between 1185 and 1190
- Married: Before 1200
- Died: 15 Nov 1249, Nicosia, Cyprus
 Research Notes:
The Historia Albigensium of Pierre de Vaux-Cernay records that "miles juvenis et frater comitis nostri ex parte matris…Guillelmus de Barris" was present at the siege of "castrum Murelli", dated to 1212 from the context. "Dominus Guido…de Gallandia" donated property to Meaux Saint-Faron, with the consent of "dominæ Agnetis uxoris meæ et filiorum meorum", by charter dated Aug 1220, witnessed by "Dominus Guillelmus juvenis de Barris et dominus Johannes de Gallandia fratres mei". "Guillelmus de Barris" donated property to Fontaines, with the consent of "Helewidis uxoris meæ, Johannis et Guillelmi filiorum meorum", by charter dated Jul 1248. 1
Marriage Information:
Guillaume married Beatrix DE THIERN, Cts de Chalon-sur-Saône, daughter of Guillaume III DE THIERN, Comte de Chalon-sur-Saône, about 1186. (Beatrix DE THIERN died on 7 Apr 1227 in Tournus and was buried in Abbaye de la Ferté-sur-Grosne.). |
