Gasce de Poissy

• 
• Born in 1085
• Deceased in 1149, at the approximate age of 63 years

Parents

• Gaston de Chaumont En Vexin (1052 - 1115)
• Jacqueline de Poissy (1065 - 1117)

Family

• Married with Alix d'Orgeval (1097 - ), issuing
  • Gasce IV (1105 - 1172)