Complex sentence: As time progressed, during the 1650s the eastern side of the LaHave River which eventually become Ance aux Huitres or Oyster Cove and was one of Sir Nicholas Denys' headquarters and fishing stations.
Split into simpler sentences: As time progressed marched onwards to 1650, the eastern side of the LaHave River became known as Ance aux Huitres or Oyster Cove. This was also one of Sir Nicholas Denys' headquarters and fishing stations.