Geoffroi de Mayenne

• 
• Born circa 1147
• Deceased on February 18, 1169, at the approximate age of 21 years

Parents

• Juhel 2 de Mayenne (c. 1110 - 1161), chevalier, baron de Mayenne
• Clémence de Montgommery

Family

• Married with Constance de Cornouaille ( - 1148), issuing
  • Mathilde
• Married with Isabelle de Beaumont (c. 1147 - 1220), dame de Beaumont le Roger, issuing
  • Clémence
  • Juhel III ( - 1220)