Complex sentence: David Elphinstone was an Australian architect and builder who built many buildings in Glebe, New South Wales and Ashfield, New South Wales at the end of the 19th century.
Split into simpler sentences: David Elphinstone was an Australian architect and builder. Elphinstone built many buildings in Glebe, New South Wales and Ashfield, New South Wales at the end of the 19th century.