Complex sentence: One of these, Alexander, 4th Duke of Gordon, decided to establish a new village, and work was underway on the harbour in 1795 and stone was shipped from Lossiemouth in 1796.
Split into simpler sentences: One of these, Alexander, 4th Duke of Gordon, decided to establish a new village. Work was underway on the harbour in 1795 and stone was shipped from Lossiemouth in 1796.