Willem Gillisz Kool (1608 – 1666), was a Dutch Golden Age painter.
Biography He was born in Haarlem and entered the Haarlem Guild of St. Luke in 1638.Willem Gillisz Kool in the RKD In the same year he married Cornelia van der Molen, daughter of Jan Gerritsen van der Molen, on 17 januari 1638. He is known for landscapes and died in Haarlem.
References
Willem Gillisz Kool on Artnet