Jean de Mont-Saint-Jean

• 
• Born circa 1135
• Deceased in 1183, at the approximate age of 47 years

Parents

• Guy de Mont-Saint-Jean (c. 1092 - c. 1152), chevalier, seigneur de Mont-Saint-Jean
• Marie Reine de Saulx (c. 1115 - aft. 1152)

Family

• Married with Agnès de Brienne (1120 - 1191), issuing
  • Hue (1158 - )
  • Marguerite (c. 1158 - 1204)