Isabelle de Marigny

• 
• Born circa 1301

Parents

• Enguerrand III de Marigny ( - 1315), chevalier, comte de Longueville, grand chambellan de France
• Jeanne de Saint-Martin

Family

• Married on October 23, 1309, with Guillaume VI de Tancarville, chevalier, seigneur de Tancarville
• Married with Guy de Beaumont-du-Gâtinais ( - 1327), issuing
  • Guy
• Married with Hugues d'Auxy, chevalier, seigneur de Dompierre, écuyer, issuing
  • Enguerrand
  • Pierre (1343 - )