According to Karel van Mander he was a painter from The Hague who had travelled to Italy and had returned home shortly before the Schilder-boeck was written.
[1] According to the RKD he was a pupil of his father, the painter Crijn Coensz.
van der Maes, Quirijn Coenraetsz.
Maes (probably another family member) and Karel van Mander himself.
[2] His father worked together with the painter Anthonie van Ravesteyn.