John Knopp, age abt. 49- a bookbinder born in "Germany/Prussia" wife- Frederica age abt. 42 born in "Germany" son- Joseph age abt. 15 born in "Germany" daughter- Julia age abt. 12 born in "Germany" son - Frederick age abt. 10 born in "Louisiana" daughter- Emma age abt. 5 born in "Louisiana" ---They are in the 1850 and 1870 Census. They are in the 1859 and 1861 NEW ORLEANS City Directory. I don't have access to an 1860 City Directory.