Career
According to Houbraken he was a good draughtsman who learned to paint from the Haarlem glass painter January Philipsz van Bouckhorst, whose works can still be seen in many Dutch churches. Both he and his teacher died in the rampjaar 1672. Jansz"s own pupil was January Pietersz Zomer.
According to the RKD he painted, sculpted and made designs for book illustrations.