Biography
John Koch was born 27 August 1866 in Barney Downs, Tenterfield, New South Wales, Australia to John Hoffmann (1834-1925) and Mary Morrow (c1828-1909) and died 24 March 1934 Tenterfield, New South Wales, Australia of unspecified causes. He married Annie Mulherin (1869-1937) 10 August 1896 in Tenterfield, New South Wales, Australia.
Children
| Name | Birth | Death | Joined with |
| William John Koch (1897-1959) | 4 May 1897 Steinbrook, Tenterfield, New South Wales, Australia | 9 October 1959 Dalby, Queensland, Australia | Ada Adeline Curd (1902-1982) |
| Mary Marjorie Koch (1899-1967) | |||
| Donald Joseph Koch (1901-1978) | |||
| Veronica Rose Koch (1903-1951) | |||
| Sarah Louise Koch (1905-1969) | |||
| Daniel George Koch (1907-1980) | |||
Footnotes (including sources)
| ‡ General |