 If one existed, it would probably have been associated with the Janskerk (Haarlem), where Geertgen was active as a respected painter.The earliest mention of the Haarlem Guild of St. Luke is from 1496, when the heirs of "Joost Huge Alboutsdr", who had been the former owner of the location of the altar in the Sint-Bavokerk, ceded all altar rights which up to then had been for the Ascension of the Virgin, to the "Guild of St. Luke and St. Eligius".This is possibly also the year that the Guild switched its altar from the Janskerk to the Bavokerk.