KleisUpper German, Romansh Derived from the given name Kleis, a South German variant of Klaus. The Kleis settled in Romansh-speaking areas after the Napoleonic Wars.
KunfermannRomansh Younger form of Gufermann, which was derived from Romansh gufer "rubble, shingle" combined with German Mann "man". This name was given to someone who lived near a place filled with rubble.
MaruggRomansh Derived from the given name Maurus, combined with the diminutive suffix -ugg. Another theory, however, derives this name from Late Latin maior domus "mayor of a palace" (compare Meyer 1).