Daryl Bradford Smith with Muhammad Rafeeq on Sabbatai Sevi (Shabbetai Tzvi or Sabetha Sebi, etc), the Jewish Messiah of 1666. Sabbatai, descendant of King David, had over one million Jewish followers. According to Sabbateanism-researcher Clifford Shack, the Rothschilds are descendants of Sabbatai. Another descendant of Sabbatai was Mustafa Kemal Atatürk, first President of Turkey.

Much on Shabbetai Tzvi and his followers in Clifford Shack’s 1001 p. free e-book “The Sabbatean-Frankist Messianic Conspiracy Partially Exposed”;
https://archive.org/details/TheSabbatean-frankistMessianicConspiracyPartiallyExposed

More on the Sabbatean-Frankists in Christopher Jon Bjerknes’ over 2800 p. free e-book “The Manufacture and Sale of Saint Einstein; The Propaganda of Supremacy”;
https://archive.org/details/TheManufactureAndSaleOfSaintEinstein-ThePropagandaOfSupremacy