Family: John Cornewaille, Baron of Fanhope / Elizabeth Plantagenet (F1909)
m. Bef 12 Dec 1400John of Gaunt England, Duke (1340-1399) 
|
Blanche Plantagenet (1345-1369) |
| Philippa Plantagenet (1360-1415) |
| John Plantagenet (1364- ) |
| Edward Plantagenet (1365- ) |
Henry IV King of England (1366-1413)  |
| John Plantagenet (1367- ) |
| Isabel Plantagenet (1368- ) |
| John Cornewaille, Baron of Fanhope (1346-1443) |
| Elizabeth Plantagenet (1359-1425)
|
| John Cornwall, Sir (1404-1421) |