Guillaume Guillaume
- Born circa 1110 in Parthenay
- Deceased in January 1121, at the approximate age of 10 years
Parents
- Simon de Parthenay (c. 1075 - 1121)
- Emperia de Rancon
Family
- Married in Lanvaudan, with Théophanie de Lanvaux (c. 1140 - ), issuing
- Guillaume ( - 1140)