Hereunder a photograph taken by my grandfather during the battle of Verdun in the beginning of march 1916: the graves of 2 german airmen died on the 26th of February 1916 at the very beginning of the battle. This cemetery was located in the forest of Sommedieue, south/east from verdun. I know that these 2 airmen were fired over the city of Dieue by the french fighterace Jean Navarre. Is it possible to get more information about these 2 german pilots, the reference of their plane ( a 2 seats cabin), as well as the conditions of this air-fight over the sky of Verdun ?
1st picture, view of the cemetery in the forest of Sommedieue.

Detail of the grave of Lt Heine III Sarden, RG17

Detail of the grave of Lt von Zeddelmann, IR64
Many thanks for your help
Bertrand