Jean Ier de Sancerre

• 
• Deceased circa 1280

Parents

• Louis Ier de Sancerre ( - 1267), chevalier, comte de Sancerre
• Jeanne de Courtenay, alias Mahaut, dame de Bléneau

Family

• Married with Marie de Vierzon, dame de Menetou-Salon, issuing
  • Blanche
  • Louis
  • Etienne II (1252 - 1306)
  • Jean II (c. 1260 - 1327)