Newspapers, Prussia #poland #germany

David Selig

HI all Jewish Genners. 
I am again looking for information on two family members, both from Prussia.

I wonder what newspaper ressources there may be, for newspaper announcements, for births, from 1900 or 1910?  
Or death notices (obituaries), from 1905 - 1920. 

I seek birth notices for : 
Lotte BLUMENTHAL, born 08.04.1900, Koenigsberg
Danny BLUMENTHAL, born 23.10.1910, K'berg

Death notice for Helene WOLFF, mother of one or both of the above
born 1862? Koenigsberg

Thanks for any hlep!
Best to all

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