Disambiguation evidence for Duchy of Prussia via surface form
"Duchy of Prussia under Polish suzerainty"
Triples (1)
Triples where some other subject referred to this entity
as "Duchy of Prussia under Polish suzerainty".
Truce of Altmark
→
retainedTerritory
→
"Duchy of Prussia under Polish suzerainty"
ⓘ
↳ resolves to Duchy of Prussia