Also Romansh. Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars Https://rm.wikipedia.org/wiki/Gion_Peder_Th%C3%B6ni Https://www.portraitarchiv.ch/portrait?page=227
Add Usage: German, English (Rare)Pronounced: PEH-dhu (Danish), PEH-tu (German), PEE-dər (English)Meaning: Danish, Swedish, and German variant of Petros (see PETER).
Source: "Vornamen in der Schweiz. Prénoms en Suisse. I nomi in Svizzera. Prenoms in Svizra" (1993) published by the Association of Swiss registrars
Https://rm.wikipedia.org/wiki/Gion_Peder_Th%C3%B6ni
Https://www.portraitarchiv.ch/portrait?page=227