He proclaimed himself the Messiah ben Joseph, and signed his name "Joseph ben Jacob." He had relations with the Sabbatean Mordecai Eisenstadt and with Jonathan Eybeschütz, and seems to have been especially influenced by the Sabbatean Nehemiah Hayyun.
He proclaimed himself the Messiah ben Joseph and signed his name "Joseph ben Jacob." He interacted with Sabbatean Mordecai Eisenstadt and Jonathan Eybeschütz, and it appears he was particularly influenced by Sabbatean Nehemiah Hayyun.