Disambiguation evidence for Joan of Châtillon, Countess of Blois via surface form

"Joan of Châtillon, Countess of Blois"

Triples (1)

Triples where some other subject referred to this entity as "Joan of Châtillon, Countess of Blois".

Peter, Count of Alençon → spouse →
"Joan of Châtillon, Countess of Blois"
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