Mary Plantagenet
(
 = Descendancy chart to this point, 
 = Expand, 
 = Collapse)
- 1  Mary Plantagenet [1]  b. 1320-1321 d. 1 Sep 1362
  Henry Percy, 3rd. Baron Percy  b. Abt 1321 d. 1368
- 2  Henry Percy, 1st. Earl of Northumberland [1.1]   
 b. 10 Nov 1341 d. 20 Feb 1408
                    
  Margaret Neville  b. Unknown d. Aft 1364
- 3  Sir Henry Percy [1.1.1]   
 b. 20 May 1364 d. 21 Jul 1403
                                    
  Lady Elizabeth Mortimer  b. Unknown d. Unknown
- 4  Henry Percy, 2nd. Earl of Northumberland [1.1.1.1]   
 b. 3 Feb 1393 d. 22 May 1455
[ =>]                                                 
- 4  Henry Percy, 2nd. Earl of Northumberland [1.1.1.1]   
 
 
- 3  Sir Henry Percy [1.1.1]   
 
 
- 2  Henry Percy, 1st. Earl of Northumberland [1.1]   
 
 
