Johannes "Jan" I Sadeler was born in Brussels in 1550, the eldest of three brothers of the prominent engraving and publishing family. Originally lived in Antwerp; c.1579 to Cologne, often returning to Antwerp; from 1588-95 court engraver in Munich with Raphael I; both left Munich in 1595 and moved to Venice via Verona; imperial privilege 1581, renewed 1593; papal privilege granted c.1598. Jan died in Venice in 1600 and his son Justus took over the firm there. Raphael returned to Munich.