Disambiguation evidence for Ferdinand I of León via surface form

"Ferdinand I of León and Castile as ruler of Castile"

Triples (1)

Triples where some other subject referred to this entity as "Ferdinand I of León and Castile as ruler of Castile".

Sancho II of Castile → predecessor →
"Ferdinand I of León and Castile as ruler of Castile"
↳ resolves to Ferdinand I of León
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