Foto van twee Duitse grafstenen in België

During my research about the Marine Korps Flandern I found a photo of two tombstones of German soldiers who fell on March 5, 1918. These are the names mentioned in the photo: - Ob. Matr: Oskar Halfpap, Sturm - Abtlg, D. Mar. corps; Gef. 3-5-18 - Pawn Gustav Stratman MWK; 33: ; Gef. 5.3.18 If there are descendants of these soldiers, I would like to get more information from them about who these sol…