Disambiguation evidence for Duchy of Nassau (annexed by Prussia, then part of Prussia) via surface form

"Duchy of Nassau (annexed by Prussia, then part of Prussia)"

Triples (1)

Triples where some other subject referred to this entity as "Duchy of Nassau (annexed by Prussia, then part of Prussia)".

North German Confederation → memberState →
"Duchy of Nassau (annexed by Prussia, then part of Prussia)"
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