Rubuta ci gaba ga wannan sakin layi - Lokacin da Willem Key ya mutu a 1568, Adriaen Thomasz ya karɓi aikinsa. Ko da yake ya tuba zuwa Calvinism bai bar Antwerp ba bayan Fall of Antwerp
a 1585 lokacin da gwamnatin Calvinist ta Antwerp ta kifar da sojojin Spain karkashin jagorancin Alessandro Farnese. Ya karbi ɗalibai a cikin aikinsa a 1582, 1588 da 1589. Ya karɓi kwamitocin daga shugaban juyin juya halin Dutch William na Orange da kuma ƙwararrun masanan tattalin arziki na Antwerp. An ambaci shi na ƙarshe a cikin takaddar a 1589. Ba a bayyana ba ko ya mutu ba da daɗewa ba ko ya bar Antwerp saboda ra'ayoyin Calvinist.