Complex sentence: He moved to Stokes Valley in 1853, and resided there untill 1857, when he took his family to Matarawa where he had access to valuable Bushclad land, and carried on the family sawmilling business until 1865, when he retired leaving it to his sons.
Split into simpler sentences: He moved to Stokes Valley in 1853, and resided there until 1857, when he took his family to Matarawa where he had access to valuable bush-clad land. He carried on the family sawmilling business until 1865, when he retired leaving it to his sons.