Complex sentence: Jean de Monluc died in Toulouse, where he had come to make a report to the Queen Mother, on 13 April 1579, having been reconciled to the Roman Catholic Church by a Jesuit.
Split into simpler sentences: Jean de Monluc died on 13 April 1579 in Toulouse, where he had come to make a report to the Queen Mother. He had been reconciled to the Roman Catholic Church by a Jesuit.