Disambiguation evidence for William Cavendish, Marquess of Hartington via surface form

"William Cavendish, Marquess of Hartington (deceased elder brother)"

Triples (1)

Triples where some other subject referred to this entity as "William Cavendish, Marquess of Hartington (deceased elder brother)".

Peregrine Andrew Morny Cavendish, 12th Duke of Devonshire → sibling →
"William Cavendish, Marquess of Hartington (deceased elder brother)"
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