Hello Elzunia,
My Daughter has helped me find the following information for you on both Michał and Maria Karczmitowicz :
The above confirm that Maria Karczmitowicz was born on the 23rd September 1910 and her husband Michał was born in either 1916 or 1917.
That is all I was able to find for you Elzunia, I sincerely hope that it is of some use and help to your friend.
Best wishes
Andrzej
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