Disambiguation evidence for William I, Duke of Guelders via surface form

"William I of Guelders and Jülich"

Triples (1)

Triples where some other subject referred to this entity as "William I of Guelders and Jülich".

Count of Zutphen → titleHolder →
"William I of Guelders and Jülich"
↳ resolves to William I, Duke of Guelders
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