Here is the descent of Elizabeth Willoughby from Harold Godwinson, the last Saxon King of England, who fell before the forces of William the Conqueror at the Battle of Hastings in 1066:
1. Elizabeth Willoughby 1512-1562 = Sir Fulke Grevill, knight
2. Edward Willoughby = Margaret Nevill b. 1494/5
3. Richard Nevill, Lord Latimer ca. 1458-1530 = Anne Stafford
4. Sir Henry Nevill = Joan Bourchier d. 1470
5. Sir John Bourchier, Baron Berners d. 1474 = Margery Berners
6. William Bourchier, Cout of Eu = Anne of Gloucester 1383-1438
7. Thomas of Woodstock, Duke of Gloucester 1354/5-1397 = Eleanor de Bohun
8. Edward III, King of England 1312-1377 = Philippa of Hainaut
9. Edward II, King of England = Isabella of France 1292-1358
10. Philip IV, King of France 1268-1314 = Jeanne de Navarre
11. Philip III, King of France = Isabella of Aragon
12. Jaime I, King of Aragon = Yolande of Hungary
13. Andrew II, King of Hungary 1176-1235 = Yolande de Courtenay
14. Bela III, King of Hungary 1148-1196 = Agnes de Chatillon
15. Geza II, King of Hungary = Euphrosine of Kiev ca. 1130-1175/86
16. Mstislas II, Grand Prince of Kiev 1076-1132 = ______ of Novogorod
17. Vladimir Monomachus II, Grand Prince of Kiev = Gytha of Wessex
18. Harold Godwinson, King of England ca. 1022-1066 = Edgyth Swaneshals