In the 1590s three of his children were baptized in the Oude Kerk .
As he worked for Protestant magistrates the remainder of his life , it is likely that he was an adherent of Calvinism .
In the 1590s three of adherent 's children were baptized in the Oude Kerk .
As he worked for Protestant magistrates the remainder of his life , it is likely that he was an adherent of Calvinism .