Diagram from M. Baigent and R. Leigh, The Messianic Legacy, (1987) P.91
This diagram clearly shows the linkages between modern Christianity, Islam, and Rabbinic Judaism. Notice particularly the situation as it existed circa 70 CE.
Appendix Map No.1: taken from Baigent and Leigh's Messianic Legacy, P69.
Although it shows the location of Nazareth, that town did not exist at the time of Roman rule. You will note the close proximity of Qumran to Jerusalem.
Appendix: Map No.2 : Showing Septimania - the independent Jewish state that existed in the 6th and 7th Centuries in the area that later became Province After Baigent and Leigh. The Holy Blood, Holy Grail (1982) p.258