Complex sentence: The idea of a national assembly of theologians to advise Parliament on further church reforms was first presented to the House of Commons in 1641, and was included in the Grand Remonstrance, a list of grievances which Parliament presented to Charles on 1 December that year.
Split into simpler sentences: The idea of a national assembly of theologians to advise Parliament on further church reforms was first presented to the House of Commons in 1641. Such a proposal was also included in the Grand Remonstrance, a list of grievances which Parliament presented to Charles on 1 December that year.