Disambiguation evidence for Duchy of La Vallière via surface form

"Duchy of La Vallière"

Triples (1)

Triples where some other subject referred to this entity as "Duchy of La Vallière".

Louis de La Baume Le Blanc → duchyName →
"Duchy of La Vallière"
↳ resolves to Duchy of La Vallière
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linked to: Louis de La Baume Le Blanc (marriage by title; she held the duchy in her own right)