Jan Theunisz. Blanckerhoff (1628 – 1669)
• Jan Theunisz Blanckerhoff or Jan Maat, was a Dutch Golden Age marine painter.
• He was taught by the Alkmaar painter Arent Teerling, and later by Pieter Scheyenburg and still later again by Cesar van Everdingen.
• He became a member of the Bentvueghels in Rome and was given the bent name Jan Maat.
• He started on landscapes but switched to seascapes.
According to Houbraken, his most popular pieces were of Italian ports with strange boats moored here.
• He had a student, Arnout Smit in Amsterdam.
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