Random triples
| Subject | Object |
|---|---|
| gptkb:Serf | Corvée labor |
| gptkb:Princes_of_the_Holy_Roman_Empire | attendance at Imperial Diet |
| gptkb:Princes_of_the_Holy_Roman_Empire | military service to Emperor |
| gptkb:Serf | Payment in kind |
| gptkb:Swedish_burghers | pay taxes |
| gptkb:Swedish_burghers | defend the town |