Santi Giovanni e Paolo in Rom - C. 1810 - Joseph Anton Koch Deutsch, 1768-1839 - Artist: Joseph Anton Koch, Herkunft: Deutschland, Datum: 1805-1815, Medium Stockfotografie - Alamy
The Name Koch : popularity, meaning and origin, popular baby names
Familienname Koch - Wappen - Bedeutung - Herkunft
Koch - Names Encyclopedia
Surname Database: Koch Last Name Origin
Koch Name Meaning, Family History, Family Crest & Coats of Arms