This date, however, is uncertain, because the church records from 1577 to 1580 are missing and Sweelinck can only be traced in Oude Kerk from 1580 onwards; he occupied the post for the rest of his life.
Denne dato er imidlertid usikker, fordi kirkens optegnelser fra 1577 til 1580 mangler, og Sweelinck kan kun spores i Oude Kerk fra 1580 og fremefter; han besad stillingen for resten af ​​sit liv.