Complex sentence: He was a shoemaker by trade (though he was born rich and lost his wealth) and of Jewish blood and dedicated himself to astrology and the publicising in verse messianic character prophecies famous already around 1531.
Split into simpler sentences: He was a shoemaker by trade (born rich but lost his wealth) and of Jewish blood. He dedicated himself to astrology and publicising in verse messianic character prophecies famous around 1531.