Naturally it is mathematical hard to say, but after my actual status in my database I can clearly say, Wankheim is no. 1 followed by Goenningen and Ohmenhausen.
My research has started with my hometown Wankheim and the surrounding towns like Maehringen, Jettenburg, Immenhausen, Kusterdingen (the Haerten area), Stockach, Betzingen, Reicheneck, Pfullingen, Ohmenhausen, Bronnweiler, Goenningen, Undingen, Gomaringen, Hinterweiler,
By accident I detected that there existed Kemmler families in Gebersheim near the city of Leonberg. After an more indept view I noticed that the Kemmler family haver their roots