Complex sentence: On the west shore in the upper stretches of the lower Pitt, however, is Minnekhada, residence of former governor-general, Clarence Wallace sold it, to Daon Corp., who sold off portions.
Split into simpler sentences: On the west shore in the upper stretches of the lower Pitt is Minnekhada, residence of former governor-general Clarence Wallace. It was later sold to Daon Corp., who sold off portions.