Genitiv Singular von Koch; entspricht „des Kochs“.

Genitive singular of the noun Koch, meaning “of the cook”.

Plural eines Familiennamens; die Angehörigen der Familie Koch.

Plural of the surname Koch; members of the Koch family.

Genitiv Singular des Familiennamens Koch; „Kochs“ im Sinne von Besitz.

Genitive singular of the surname Koch; “Koch's” showing possession.