Jude, pronounced YOO-deh.
There is no German Jewish name (or German): Sharp. I believe there is no such German word, at least because of the combination SH. In German it is written: SCH.but, the name Scharf (means: sharp in German and Yiddish) is well-known in Jewish People.
The name Wertz can be German, Jewish or German-Jewish.
It can be, but it isn't necessarily. It is the German word for "actor".
Yes very
The surname Meyer is German, and also European Jewish. It's from the German word "meiger", meaning superior.
Yes, just as there are people of French Jewish and Russian Jewish descent. A term like German Jewish descent implies that the ancestors were Jewish and were from German cultural regions in Europe.
The word "bubbe" comes from Yiddish, which is a High German language mixed with elements of Hebrew and Aramaic, spoken by Ashkenazi Jews. It is used to refer to a grandmother or older woman.
Stone comes from Stein which is German and means stone. It can be German or German-Jewish. Many Jewish names are German words or come from German words. Schwartz, for example, means black in German.
The surname Seidel has German origins. It is a variant of the German word "sadel," meaning "saddle." It is possible that people with the surname Seidel have German ancestry.
german
It is of German origin, but it may be a Jewish name.
Schmuck is indeed Yiddish, but it's a word rather than a name (albeit a word often applied to people) which comes from the European Jewish language known as Yiddish. It's definitely not a word to use when among polite company, however, due to it referring to - erm - the male member.Schmuck as a surname is not Jewish. It is a German name meaning "Jewel".[Note: the Yiddish word Schmuck is not related to the German word Schmuck. In fact, the are not even pronounced the same]