| Name of Family or Major Holdings -N- | Place of Origin |
| Naples [duke of; Hautville] | Normandy -> Italy |
| Navarre | Albret* |
| Neb | Sweden, Denmark |
| Neopatrai [duke of; Barcelona] | Iberia |
| de Nevers | Albon* |
| Nipertz | Germany -> Sweden |
| de Nogent-le-Rotru | Bar* |
| von Nordalbingien | Ascania* |
| Normandy (in progress) | France & England |
| de Norroy | Bar* |