Well, I guess someone has to start this

Wow, a Guenzler site.Here is what I have, which isn't much.My Grandfather was Otto William Ernst Guenzler, born in Helbrann, Germany.His father was Wilhelm August Guenzler, born in Wimpfen, Germany.His father was August Wilhelm Guenzler, born in Biberach (sp?), Germany.I know the name of all their wives, but not siblings, or any further back.Anyone out there know anything?Thanks.