Callenbach

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Proper noun === Callenbach (plural Callenbachs) A surname. === Further reading === Hanks, Patrick, editor (2003), “Callenbach”, in Dictionary of American Family Names, volume 1, New York: Oxford University Press, →ISBN, page 272. Forebears