Complex sentence: The lands of Rouken Glen Park originally belonged to the Scottish Crown, and then to the Earl of Eglinton, presented to him on his marriage in the year 1530, the Earl being Hugh Montgomery, King James V only son.
Split into simpler sentences: The lands of Rouken Glen Park originally belonged to the Scottish Crown, and then to the Earl of Eglinton, presented to him on his marriage. In the year 1530, the Earl being Hugh Montgomery the Kings only son.