Complex sentence: The area around Ongerup was first explored by Surveyor General John Septimus Roe who passed through in 1848 and in the 1870s the Moir family moved to the area and began grazing sheep along the Warperup Creek.
Split into simpler sentences: The area around Ongerup was first explored by Surveyor General John Septimus Roe who passed through in 1848. In the 1870s the Moir family moved to the area and began grazing sheep along the Warperup Creek.