Career
Van Mander noted his remark because Simonsz also said that Mostaert had claimed he had never heard of Ouwater (or Geertgen tot Sint Jans). The 18th-century writer Jacobus de Jongh was the first to extrapolate Simonsz" birth year from his statements to Karel van Mander. Simonsz clearly lived to a great age, but the exact year of his death after 1604 is not recorded.
Though no known works survive, Hessel Miedema in his more recent edition of the Schilder-boeck wonders whether he isn"t the same "Aelbert symonssen" mentioned in a document in the Haarlem archives who was paid 15 florins in 1592-1593 for making several copies of maps of Haarlem after the one by mayor Thomas Thomassen, and who was also paid 25 florins for making one copy of a map made in 1570 of the boundary of Rhineland after Joost Janssen of Amsterdam.
