Achternamen
| Achternaam | Aantal |
|---|---|
| Ruberg | 1 |
| Rubers | 2 |
| Rubertus | 2 |
| Rubie | 3 |
| Rübsamen | 1 |
| Ruck | 2 |
| Rucquoy | 1 |
| Rudde | 1 |
| Rudder, de | 3 |
| Rudel | 1 |
| Rüdell | 1 |
| Rüdesheim | 1 |
| Rüdiger | 1 |
| Ruding | 3 |
| Rudink | 1 |
| Rudol | 1 |
| Rudolf de Marchant et d'Ansembourg | 1 |
| Rudolph | 4 |
| Rue, de | 2 |
| Ruedi | 5 |
| Ruefli | 1 |
| Ruegers | 1 |
| Ruelens | 2 |
| Ruelle, de la | 4 |
| Ruemkens | 4 |