Family of De Percy, Henry Earl of Northumberland and Plantagenet, Mary Baroness Percy
Families
| Married | Husband | De Percy, Henry Earl of Northumberland ( * 10 November 1341 + 19 February 1407 ) | |||||||||||||
| Married | Wife | Plantagenet, Mary Baroness Percy ( * 1320 + 1 September 1362 ) | |||||||||||||
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