Disambiguation evidence for Roger III, Duke of Apulia via surface form

"Roger IV, Duke of Apulia"

Triples (1)

Triples where some other subject referred to this entity as "Roger IV, Duke of Apulia".

William I of Sicily → child →
"Roger IV, Duke of Apulia"
↳ resolves to Roger III, Duke of Apulia
ⓘ