Dutch composers contemporary to JS Bach?

Jan Pieterszoon Sweelinck (1562-1621) was a Dutch composer, organist, and teacher who is considered one of the most important figures in the history of Western music. He was known for his virtuosic organ playing and his compositions for the organ, which include toccatas, fantasias, and variations.

Jacob van Eyck (1590-1657) was a Dutch composer and organist who was a student of Sweelinck. He wrote sacred and secular music, including motets, madrigals, and instrumental pieces.

Hendrik Joostenzoon Speuy (1575-1625) was a Dutch composer and organist who was also a student of Sweelinck. He wrote sacred and secular music, including psalms, motets, and madrigals.

Anthonie van Noordt (1619-1675) was a Dutch composer and organist who was a student of Sweelinck. He wrote sacred and secular music, including psalms, motets, and instrumental pieces.

Johan Erasmus Kindermann (1616-1655) was a German composer and organist who worked in the Netherlands. He wrote sacred and secular music, including psalms, motets, and instrumental pieces.