Philippa de Beauchamp 
Philippa's father was Sir Thomas de Beauchamp, 11th Earl of Warwick and her mother was Katherine Mortimer. Her paternal grandparents were Guy de Beachamp, 10th Earl of Warwick and Alice de Toni; her maternal grandparents were Roger de Mortimer and Baroness Joan de Geneville. She had a brother and two sisters, named Thomas, Joan and Maud. She died on April 6th, 1386.General Notes
1. Ralph Stafford (born about 1354 – 1385)
2. Margaret de Stafford, (b. abt. 1364 – 9 June 1396 married Ralph de Neville, 1st Earl of Westmorland
3. Thomas Stafford (b. abt. 1368 – 4 July 1392)
4. William Stafford (21 September 1375 – 6 April 1395)
5. Humphrey Stafford (b. abt. 1376)
6. Catherine de Stafford (b. abt. 1376 – 8 April 1419), married Michael de la Pole, 2nd Earl of Suffolk
7. Edmund Stafford (2 March 1377 – 22 July 1403)
8. Joan de Stafford (1378 – 1 October 1442)
9. Hugh Stafford (1382 – 25 October 1420
