Complex sentence: Friar John Laurence of the Observant Friars of Greenwich gave evidence against the Maid and fellow Observants, Friars Hugh Rich and Richard Risby, and then requested to be named to one of the posts left vacant due to their imprisonment.
Split into simpler sentences: Friar John Laurence of the Observant Friars of Greenwich gave evidence against the Maid and against fellow Observants, Friars Hugh Rich and Richard Risby. Laurence then requested to be named to one of the posts left vacant by their imprisonment.