Disambiguation evidence for Duchy of Holstein via surface form

"Duchy of Holstein (Holy Roman Empire)"

Triples (1)

Triples where some other subject referred to this entity as "Duchy of Holstein (Holy Roman Empire)".

Franz Tunder as organist at Marienkirche in Lübeck → country →
"Duchy of Holstein (Holy Roman Empire)"
↳ resolves to Duchy of Holstein
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