| P22 | father | ... | Q1358796 (Ernst Höpfner) | Ernst Höpfner |
| P735 | given name | ... | Q4120836 (Johanna) | Johanna |
| P31 | instance of | ... | Q5 (human) | human |
| P21 | sex or gender | ... | Q6581072 (female) | female |
| P26 | spouse | ... | Q77078 (Arnold Sommerfeld) | Arnold Sommerfeld |
| P13049 | DDB person (GND) ID | 117723681 |
| P7902 | Deutsche Biographie (GND) ID | 117723681 |
| P227 | GND ID | 117723681 |
| P9964 | Kalliope-Verbund (GND) ID | 117723681 |
| P214 | VIAF cluster ID | 42622307 |
| P2949 | WikiTree person ID | Höpfner-55 |
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log id: 1894277