Complex sentence: Dervorguilla founded a Cistercian Abbey 7 miles south of Dumfries in West Scotland, in April 1273, which still stands as a picturesque ruin of red sandstone.
Split into simpler sentences: Dervorguilla founded a Cistercian Abbey 7 miles south of Dumfries in West Scotland, in April 1273. It still stands as a picturesque ruin of red sandstone.