By debbie June 10, 2013 at 05:22:39
If you search the National Archives their is a faimily file
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STEINBERGS Otto DOB 20 May 1898; Elsa Anna DOB 8 March 1905; Astrida DOB 8 February 1934; Heinrichs DOB 29 May 1942
also a file
STEINBERGS Otto - Nationality: Latvian - Arrived Melbourne per General Black 25 June 1949
also another file re naturalization you might want to contact them for information about obtaining more information.