Beno, Bonjour, Botteron, Cellier, Chatelain, Chiffelle, Clenin, Devaux, Franc, Giauque, Girard, Gueniat, Guillaume, Huguenet, Junod, Maillard, Marquis, Mivelaz, Racine, Rollier, Schiffley, Seillyer, Sunier, Tschiffely
Requirements for Membership
Eligible people are men whose direct paternal line (father's father's father etc.) (1) lived in the French-speaking part of Switzerland, and (2) had a surname that held citizenship in a French-Swiss community before 1800 according to the Register of Swiss Surnames at
Women, and men whose French Swiss ancestry is from non-paternal lines, may participate by recruiting a male relative who meets the criteria above, to supply a DNA sample.