Complex sentence: From around 1516 to 1530, Cromwell was a member of the household of Thomas, Cardinal Wolsey, one of his council by 1519, and his secretary by 1529.
Split into simpler sentences: From around 1516 to 1530, Cromwell was a member of the household of Thomas, Cardinal Wolsey. He was one of Wolsey's council by 1519, and his secretary by 1529.