I am not sure how you enquired at the Polski
Konsulat w Minsku,
but you refer to the land ownership of W. Bitner in
I would write to Grodno Archives as they deal
with proving land possessions in pre-war Kresy regions.
Why not write to Pani T.U.Afanasieva, who is
director of that archive, to enquire if there is any reference to W Bitner who
lived at .......??, was land owner of........? and with all other info of
this family so that searches can be made. This lady will, I am sure reply
swiftly. You need to say who you are and the relationship to the person referred
to in your inquiry.
Perhaps if you translate your query into Russian
via Google it would even be better and would lead to a quicker
I do not think Minsk Embassy is of any help in this