Disambiguation evidence for Infante John, Duke of Viseu via surface form

"Infante João, Lord of Reguengos"

Triples (1)

Triples where some other subject referred to this entity as "Infante João, Lord of Reguengos".

Beatrice of Portugal father
"Infante João, Lord of Reguengos"
↳ resolves to Infante John, Duke of Viseu