John of Cornwall

Parents

• Richard of Cornwall
• Isabel Marshal

Children

Siblings

• Sir Lawrence de Cornwall
• Edmund, 2nd Earl of Cornwall
• Richard of Cornwall
• Isabella of Cornwall
• Nicholas of Cornwall
• Walter de Cornwall
• Isabella de Cornwall
• Richard de Cornwall
• Henry of Almain
• Joan
• Gilbert de Clare
• Isabella of Gloucester and Hertford
• Richard de Clare, 6th Earl of Gloucester
• Agnes de Clare
• Amice de Clare
• William de Clare