Heinz Guderian with Hungarian Allies

Around the table, from left to right: Generalleutnant Walther Wenck (Stellvertretender Chef des Generalstabes des Heeres), Colonel-General Janos Vörös (Chief of the Hungarian General Staff), Generaloberst Heinz Guderian (Chef des Generalstabes des Heeres), and General der Infanterie Hans von Greiffenberg (Bevollmächtigten General der Deutschen Wehrmacht in Ungarn). The picture was taken by Walter Frentz at the Führerhauptquartier Wolfsschanze in Rastenburg, East Prussia, on 11-12 September 1944.

Source :
https://www.walter-frentz-collection.de/fotoarchiv/personenarchiv-a-z/personen-g-h/

Wilhelm List and Hans von Greiffenberg

From left to right: Generalfeldmarschall Wilhelm List (Oberbefehlshaber 12. Armee) and Generalmajor Hans von Greiffenberg (Chef des Generalstabes 12. Armee). The picture was taken by Kriegsberichter Theodor Scheerer in April 1941. The two generals were photographed in front of the aircraft hangar in Greece.

Source :
https://commons.wikimedia.org/w/index.php?search=list+greiffenberg&title=Special:MediaSearch&go=Go&type=image

Greek Surrender Negotiations in Larisa

From left to right: General der Flieger Dr.Ing. Wolfram Freiherr von Richthofen (Kommandierender General VIII. Fliegerkorps), Generalfeldmarschall Wilhelm List (Oberbefehlshaber 12. Armee), Generalmajor Hans von Greiffenberg (Chef des Generalstabes 12. Armee), and General der Kavallerie Georg Stumme (Kommandierender General XXXX. Panzerkorps). The picture was taken during the surrender negotiations of Greek forces in Larisa airport, Greece, 28 April 1941.

From left to right: General der Infanterie Franz Böhme (Kommandierender General XVIII. Gebirgskorps), Generalfeldmarschall Wilhelm List (Oberbefehlshaber 12. Armee), Generalmajor Hans von Greiffenberg (Chef des Generalstabes 12. Armee), General der Flieger Dr.Ing. Wolfram Freiherr von Richthofen (Kommandierender General VIII. Fliegerkorps), and General der Kavallerie Georg Stumme (only visible his einheitsmütze, Kommandierender General XXXX. Panzerkorps). The picture was taken during the surrender negotiations of Greek forces in Larisa airport, Greece, 28 April 1941.

From left to right: General der Kavallerie Georg Stumme (Kommandierender General XXXX. Panzerkorps), Generalfeldmarschall Wilhelm List (Oberbefehlshaber 12. Armee), SS-Obergruppenführer und General der Waffen-SS Josef "Sepp" Dietrich (Kommandeur Leibstandarte SS Adolf Hitler), Generalmajor Hans von Greiffenberg (back to the camera, Chef des Generalstabes 12. Armee), and General der Flieger Dr.Ing. Wolfram Freiherr von Richthofen (Kommandierender General VIII. Fliegerkorps). The picture was taken during the surrender negotiations of Greek forces in Larisa airport, Greece, 28 April 1941.

Source :
https://www.alamy.com/stock-photo-dietrich-josef-sepp-2851892-2141966-german-general-waffen-ss-half-48542523.html
http://alifrafikkhan.blogspot.com/2013/11/album-foto-wolfram-freiherr-von.html
https://www.kometmilitaria.com/product-page/press-picture-field-marshal-list