Complex sentence: Mzingayi and Alice had married in Whittlesea, where the former worked as a policeman, before he was transferred to Queenstown, Port Elizabeth, Fort Cox, and finally King William's Town, where they settled in the black Ginsberg township.
Split into simpler sentences: Mzingayi and Alice had married in Whittlesea, where the former worked as a policeman. Mzingayi was then transferred to Queenstown, Port Elizabeth, Fort Cox, and finally King William's Town, where he and Alice settled in Ginsberg township.