Complex sentence: Stuurman was captured when he reached the mainland and he for his crimes, especially as a two-time escapee from Robben Island he was sentenced to life imprisonment on the penal settlement at New South Wales.
Split into simpler sentences: Stuurman was captured when he reached the mainland and tried for his crimes, especially as a two-time escapee from Robben Island. He was sentenced to life imprisonment on the penal settlement at New South Wales.