Thomas de Mowbray, 1st. Duke of Norfolk
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- 1  Thomas de Mowbray, 1st. Duke of Norfolk [1]  b. 22 Mar 1366 d. 22 Aug 1399
  Lady Elizabeth D'Arundelle FitzAlan  b. 1366 d. 8 Jul 1425
- 2  Lady Margaret de Mowbray [1.1]   
 b. Abt 1391 d. 1459
                    
  Sir Robert Howard  b. Abt 1385 d. 1 Apr 1436
- 3  John Howard, 1st. Duke of Norfolk [1.1.1]   
 b. Abt 1425 d. 22 Aug 1485
                                    
  Katherine Moleyns  b. 1424 d. 3 Nov 1465
- 4  Thomas Howard, 2nd. Duke of Norfolk [1.1.1.1]   
 b. 1443 d. 21 May 1524
[ =>]                                                 - 4  Lady Margaret Howard [1.1.1.2]   
 b. Abt 1450 d. Bef 1485
[ =>]                                                 
- 4  Thomas Howard, 2nd. Duke of Norfolk [1.1.1.1]   
 - +  Margaret Chedworth  b. 1436 d. 1494
 
 
- 3  John Howard, 1st. Duke of Norfolk [1.1.1]   
 
 
- 2  Lady Margaret de Mowbray [1.1]   
 - +  Elizabeth le Strange  b. Unknown d. Unknown
 
 
