Vattel is not listed under the Swiss.
Probably because his major work “Droit des gens; ou, Principes de la loi naturelle appliqués à la conduite et aux affaires des nations et des souverains” was written on international law and not on Swiss law specifically.
Going to put an end to your lies on free republic regarding Vattels influence on the Founders.
The constitution as treaty: the international legal constructionalist ... By Francisco Forrest Martin