Charles Frederick Walker Maaried Sarah Ann Roil Christchurch N Z

charles and sarah married 1870 christchurch n.z. moved to victoria australia then sydney . any help will be on charles as information so far came from two books . one is the roots of clover by elsie locke the other is our pilgrim pioneers by l e j bush . both are in christchurch library . i dont know when charles come to n.z. but he was born 7 aug 1849 london . died 12 oct 1933 rockdale sydeny australia .