According to the Related Link, it is of German and Ashkenazic Jewish nationality. See the Related Link below for more information.
The surname Knopf is of German origin. It is a common surname in Germany and is derived from the Middle High German word "knopf," which means button.
Asked how to say his name, Knopf told the Literary Digest: "Sound the k: k'nupf."Source: Wikipedia.
Sascha Hehn's birth name is Alexander Josef Albert Hehn.
Blanche Knopf died in 1966.
Alfred A. Knopf was created in 1915.
Heinrich Knopf was born in 1839.
Heinrich Knopf died in 1875.
Sascha Knopf is 5' 7".
Blanche Knopf was born in 1894.
Christopher Knopf goes by Chris.
Margaret Knopf goes by Marylynn.
Alfred A. Knopf was born on September 12, 1892.
Edwin H. Knopf was born in 1899.