Elvis was Jewish by descent (his maternal great-great-grandmother, Nancy Tackett, was Jewish) but not by religion. Elvis Presleys great-great grand mother was Jewish, so yes he himself was partly Jewish.
yes, as a matter of fact, his mother's father was a great rabbi in a town in Belarus. Her family moved to New York in the early 1920's where he became the king of rock and roll.
NO she certainly was not in his will, he dispised so many things she did to him that there was no way he would leave her anything. Don't know where you got your information, but yes Priscilla was in...