Complex sentence: A cousin of the 1st Baron Herbert of Cherbury, Powis was, together with his wife, one of the leading Roman Catholics, and remained faithful to the deposed King James after the Glorious Revolution of 1688.
Split into simpler sentences: A cousin of the 1st Baron Herbert of Cherbury, Powis was, together with his wife, one of the leading Roman Catholics. He remained faithful to the deposed King James after the Glorious Revolution of 1688.