Eustachie de Tonnerre
comtesse de Bar-sur-Seine
- Born circa 1040
- Deceased in 1085, at the approximate age of 44 years
Parents
- Milon de Tonnerre, Milon III de Tonnerre (995 - 1047)
- Azeka de Woevre (1010 - 1068)
Family
- Married with Gauthier Ier de Brienne (1045 - 1090), chevalier, comte de Brienne, issuing
