Freeman Aka Sherwood Any Information on the Following Persons

Frank(or Francis) Freeman (1842 ?-Sep 1909) (married 1877 Featherston, New Zealand) Eliza Kinsey (1973-1910))
Children-
Frank Freeman (1899-Jan 1909) (aka Sherwood/Freeman) Drowned Palliser Bay, New Zealand
Samuel Freeman (1892-1895)
Eliza Freeman (1896-?)
John Freeman Freaman (1899-1979) (aka Sherwood)
Floe Elizabeth Freeman (1904-?)
William Clarence Freeman (1908-?)
Ivy Lillian Freeman (1909-1910)

For some reason the Family Name changed between 1896-1899 from Freeman to Sherwood, especially noticeable on School Records (Pirinoa School,South Wairarapa)