Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:medieval_alliance
|
| gptkbp:activeDuring |
gptkb:Middle_Ages
|
| gptkbp:dissolved |
14th century
|
| gptkbp:language |
gptkb:Old_Frisian
|
| gptkbp:locatedIn |
gptkb:Frisia
|
| gptkbp:meetingPlace |
gptkb:Upstalsboom
|
| gptkbp:member |
gptkb:Frisian_territories
|
| gptkbp:purpose |
mutual defense
legal cooperation |
| gptkbp:bfsParent |
gptkb:Brokmerbrief
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Upstalsboom confederation
|