Information sur la source
Ancestry.com. Jordi family of Wyssachengraben-Eriswil, Bern, Switzerland [base de données en ligne]. Provo, UT, USA: Ancestry.com Operations Inc, 2008.Données originales : Julius Billeter. Jordi family of Wyssachengraben-Eriswil, Bern, Switzerland. 1904.
