There is no such Jewish concept.
It is a Jewish last name. I believe it is originally from Germany.
Yes it is. My father's last name is Genis and he is Jewish many generations back. Although I believe there are other "versions" of Genis which are not.
Religious Jews believe that God created the world (Genesis 1:1).
The Hebrew's Jewish faith = Judaism.
World War II; I do believe you are referring to the Holocaust.
There was no "last hebrew leader". There are still many Jewish leaders in the world. The most prominent as of 2011 is Binyamin Netanyahu.
His maternal grandfather, Aleksandr Dmitrievich Blank, was Jewish. However, Lenin did not consider himself ethnically Jewish and was a stated Atheist.
probably not, but a Jewish person can have any last name.
Israel. (Israel surpassed the U.S. within the last decade).
He is jewish.
Christians believe that Jesus was the Jewish Messiah. Jews disagree.
It is a Croat last name. As most Croats are Catholic, it is not likely a Jewish last name.