<prompt> Kempf o ile a tsenela madira a Imperial German Army ka 1905; ka morago ga Ntwa ya I ya Lefase, o ile a hlankela go Reichswehr gomme ka morago a hlankela go Wehrmacht. Ka October 1937 Kempf o ile a tšea taolo ya 4th Panzer Brigade yeo e bego e sa tšwa go hlongwa; ka January 1939 o ile a hlatlošwa go ba Generalmajor. Mathomong a Ntwa ya Bobedi ya Lefase kua Yuropa, o ile a tšea karolo ka tlhaselong ya Poland bjalo ka molaodi wa Panzer Division Kempf, yeo e bego e tsebja gape bjalo ka Panzerverband Ostpreußen Panzer Group East Prussia ya 3rd Army ka tlase ga Georg von Küchler. Ka ge e le molaodi wa sehlopha, o ile a amogela go ineela ga Fort Zakroczym, yeo e ilego ya latelwa ke Polao e Kgolo kua Zakroczym, mafelelong a Ntwa ya Modlin  <response>: .. le Sehlopha se ile sa boela Prussia Bohlabela mafelelong a lesolo la Poland, gomme Kempf o ile a bitšwa molaodi wa 1st Light Division, e ile ya rewa leina la 6th Panzer Division, ka 18 October 1939. 