Complex sentence: By 1607, secret meetings were being held at Scrooby Manor and about 50 reform-minded individuals began to celebrate the Sabbath led by Richard Clyfton and Rev. John Robinson.
Split into simpler sentences: By 1607, secret meetings were being held at Scrooby Manor. About 50 reform-minded individuals began to celebrate the Sabbath led by Richard Clyfton and Rev. John Robinson.