Henry Percy, 1st Earl of Northumberland

English noble (1341–1408)

Parents

• Henry de Percy, 3rd Baron Percy
• Mary of Lancaster

Children

• Sir Thomas Percy
• Margaret de Percy
• Sir Ralph de Percy
• Henry Percy

Siblings

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

Partners

• Matilda de Lucy
• Margaret Neville