Genealogy / I'm looking for family history information - Martha Forbrich [7]

I am looking for some help in getting information on my grandmother, Martha Forbrich, who left Posen in 1907.
I am also looking for family information on my great grandfather, Friedrich Jeske, who was from the area of Schoenlanke, and who left there in 1865. Also, I am looking for information on Julius Rudolph Jeske, who left in 1867.

Any help in the area would be appreciated. Thanks.

Ron Jeske