Leaving aside for the moment the question whether there really was a person named Joseph, it should be pointed out that according to Joshua 24:32, Joseph was buried in Shechem; but the Shechem of today is located about 4 km. distantr from the biblical Shechem. This is why the Hellenists, who first built modern Shechem, named this city Neapolis (New City), which, in Arabic corruption, became Nablus.
U.S. confirms ISIS computer expert killed in air strike (Reuters)
from the article: Clashes in West Bank after Israeli shot dead near holy site