Random triples
| Subject | Object |
|---|---|
| gptkb:Ahnentafel_(genealogical_numbering_system) | father is double the child’s number |
| gptkb:Ahnentafel_(genealogical_numbering_system) | mother is double the child’s number plus one |
| gptkb:Ahnentafel_system | mother is double the child’s number plus one |
| gptkb:Ahnentafel_system | father is double the child’s number |