Hello i'm Arthur from Brazil,How are you doing ? i'm descendant of Volga Germans, i would like to know information of the ancestors of this families ''Schmidt'' of Johannes Schmidt(1819) from Graf,Saratov Russia, he married with Katharina,and Albert Khusok(born in Poland) married with Katharina Denning(1869), and about the parents of Katharina Denning (Peter Denning and Katharina ''Heiss?'' from Saratov).I Want know if possible about the parents of Johannes Oppholz(1864) and of his wife Anna Maria Schäffer(1857),more precisely about the Michael Schäffer and Barbara, every of SaratovThank youArthur Leite Binder