Complex sentence: The Protestant Reformer, John Knox, was buried in the old kirkyard, now a car park for the High Court of Scotland, where the approximate spot is marked by small plain square of coloured tarmac which replaces a memorial stone now kept inside the church.
Split into simpler sentences: The Protestant Reformer, John Knox, was buried in the old kirkyard, now a car park for the High Court of Scotland. The approximate position of his grave is marked by small plain square of coloured tarmac which replaces a memorial stone now kept inside the church.