Disambiguation evidence for Frederick II, Duke of Swabia via surface form

"Frederick V, Duke of Swabia"

Triples (2)

Triples where some other subject referred to this entity as "Frederick V, Duke of Swabia".

Frederick I Barbarossa → child →
"Frederick V, Duke of Swabia"
ⓘ
Henry VI, Holy Roman Emperor → sibling →
"Frederick V, Duke of Swabia"
ⓘ