Disambiguation evidence for Rheinfelden (Aargau) via surface form

"Rheinfelden (as a Zähringen town development)"

Triples (1)

Triples where some other subject referred to this entity as "Rheinfelden (as a Zähringen town development)".

Berthold V, Duke of Zähringen founded
"Rheinfelden (as a Zähringen town development)"
↳ resolves to Rheinfelden (Aargau)