| P3879 | Cologne phonetics | String | 17268 | ??? |
| P373 | Commons category | String | Bertens (surname) | ??? |
| P1889 | different from | ... | Q18616692 (Bertens) | Bertens |
| P31 | instance of | ... | Q101352 (family name) | family name |
| P1705 | native label | Monolingualtext | Bertens | ??? |
| P282 | writing system | ... | Q8229 (Latin script) | Latin script |
| P9644 | Geneanet family name ID | BERTENS |
| P3370 | Géopatronyme ID | BERTENS |
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log id: 4867925