Achternamen
| Achternaam | Aantal |
|---|---|
| Janowski | 1 |
| Jans | 123 |
| Jans(s)en | 1 |
| Jansbeken | 2 |
| Janse | 19 |
| Jansegers | 2 |
| Jansen | 740 |
| Jansen Groesbeek | 1 |
| Jansen in de Wal | 3 |
| Jansen op de Haar | 2 |
| Jansen Roozema | 1 |
| Jansen van den Doormalen | 4 |
| Jansen Veen | 1 |
| Jansens | 7 |
| Janser | 1 |
| Janshen | 2 |
| Jansing | 1 |
| Jansingh | 1 |
| Janski | 1 |
| Jansman | 1 |
| Jansom | 2 |
| Janson | 6 |
| Jansonius | 1 |
| Janss | 6 |
| Janssen | 3846 |