 He married Maritgen Arentsdr Deyman, the daughter of a mayor of Haarlem, sometime before 1603.In 1605, he inherited a third of his wealthy father-in-law's estate.Together with Carel van Mander, Hendrick Goltzius and other artists, he started an informal drawing school that has become known in art history circles as the Haarlem Academy or "Haarlem Mannerists".