Before 1806, Ketternschwalbach was located in the Duchy of Nassau. Today, it is located in the German State of Hessen. Names Ketternschwalbach, Kr. Rheingau-Taunus, Hessen Surnames Bäcker / Becker (Straub-1)* Müller (Straub)* 50.264167, 8.151944 Volga Colonies Straub Straub