Achternamen
| Achternaam | Aantal |
|---|---|
| Ruepert | 1 |
| Ruers | 29 |
| Ruette | 2 |
| Ruffini | 4 |
| Rugar | 1 |
| Rüger | 1 |
| Rugers | 3 |
| Rugl | 1 |
| Ruhdörfer | 1 |
| Ruhe | 6 |
| Ruhl | 6 |
| Ruhland | 3 |
| Ruhmkorf | 1 |
| Ruhrig | 1 |
| Ruhs | 1 |
| Ruig, de | 1 |
| Ruigewaard | 1 |
| Ruigrok | 11 |
| Ruigrok van der Werve | 1 |
| Ruigt | 1 |
| Ruijgers | 1 |
| Ruijgrok | 3 |
| Ruijl | 6 |
| Ruijling | 3 |
| Ruijpers | 12 |