LiaJacobson on Family Tree Circles

I'm looking for information on the Jacobson family (Yakobson, Jacobsohn) which lived in Siberia in 1850-1950. Places in Eastern Siberia: village of Stary Olov (Old Olov) and cities of Nerchinsk, Sretensk, Chita, Kansk, Irkutsk, Mogocha, Blagoveshchensk.