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| James Blackburn BOCK b.1883 New Zealand d.1978 Beaconsfield H, Tasmania | Alfred BOCK b.1835 Hobart, Tasmania d.1920 "Oldina", Tasmania | |||||||
| Harry Spencer BOCK b.1884 New Zealand d.1948 | ||||||||
| Walter Alfred BOCK b.1886 Auckland, New Zealand d.1962 Caloundra, Qld. | ![]() | ![]() | James Blackburn b.1803 England d.1854 Collingwood, Australia | |||||
| Sidney Herbert BOCK b.1889 Hawthorn, Vic. d.1971 | ![]() | James BLACKBURN b.1828 Wood Street, England d.1888 140 Fitzroy St, Vic. | Rachel HEMS b.1805 St Botolph's Bishopsgat d.1880 Richmond, Vic. | |||||
| Arthur Leslie BOCK b.1893 Hawthorn, Vic. d.1979 | Eleanor Rachel BLACKBURN b.1858 Richmond, Vic. d.1930 Hobart, Tasmania | |||||||
| Jessie Eleanor Mary BOCK b.1894 Hawthorn, Vic. d.1970 | ![]() | Mary CHRISP b.1831 Doddington, England d.1867 Darling St, Vic. | ||||||
| Albert Victor BOCK b.1897 Hawthorn, Vic. d.1984 Hawthorn, Vic. | ![]() | |||||||