Disambiguation evidence for Lord Warden of the East March via surface form

"Lord Warden of the East March"

Triples (2)

Triples where some other subject referred to this entity as "Lord Warden of the East March".

Robert de Clifford, 1st Baron de Clifford → positionHeld →
"Lord Warden of the East March"
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linked to: Robert de Clifford
Henry Percy, 6th Earl of Northumberland → positionHeld →
"Lord Warden of the East March"
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