Send a message to the person who requested a photo of the grave monument of Oskar von Koscielski-Ponoschau with the following comment:
If this is Oskar Antonious Viktor von Koscielski (dob March 3, 1874 in Berlin) he was my great-greatgrandfather's older brother's grandson. He prepared the family's history when he was a lieutenant in the Colberg Grenadier Regiment in Stargard in August 1902.