Compact tree of Sir John “Crusader” Howard
| Richard “Earl of Cornwall” de Cornwall 1252–1280 | |||||||||||||
| Sir John Howard 1276–1331 | Sir Admiral John Howard 1310–1347 | Joan de Cornwall 1286–1342 | |||||||||||
| Joan St. Owen 1260–1316 | |||||||||||||
| Sir Robert Howard 1336–1388 |
|
Margaret de Scales 1339–1416 | |||||||||||
| Alice de Boys 1314–1372 | |||||||||||||