Henry de Percy, 3rd Baron Percy

English baron and High Sheriff of Northumberland (1321–1368)

Parents

• Idonia de Clifford
• Henry de Percy, 2nd Baron Percy

Children

• unknown de Percy
• Mary de Percy
• Henry Percy, 1st Earl of Northumberland
• Thomas Percy, 1st Earl of Worcester

Siblings

• Thomas Percy
• William de Percy
• Robert de Percy
• Richard de Percy
• Margaret de Percy
• Alianore de Percy
• Roger de Percy
• Maud Percy
• Isabel de Percy

Partners

• Joan de Orreby
• Mary of Lancaster