| | Pierre Huon de Kermadec 1470–1531 | | |
| | Marie de Coëtquelfen 1436– Yves Huon de Kermadec 1435–1493 | | |
| | | | |
| | | | |
| | Jean de Coëtquelfen 1385–1397 | | | | Eon de Coëtquelfen 1367–1390 | | | | Derrien de Coëtquelfen 1320– | | |
| | | Jean II le Barbu 1335–1411 Constance de Penmarc'h 1335–1406 | | | | Jean Ier le Barbu 1305–1369 Constance de Penhoët 1310– | | | | | Guillaume II de Penhoët 1280–1328 Constance de Kerouzéré 1280–1330 | | |
|
|
| | | Alain Ier de Penmarc'h 1290–1350 Constance de Coëtivy 1300–1358 | | |
|
|
|
|
|
|