general and commander of the 23rd Infantry Division no relation World War II
Ernst Bernhard Wilhelm Busch (6 July 1885 – 17 July 1945) was a German Generalfeldmarschall during World War II who commanded the 16th Army (as a Generaloberst) and Army Group Centre. 
During World War I, Busch served as an infantry officer and was retained in the postwar army of the Weimar Republic. He steadily rose in seniority and by 1936 was a general and commander of the 23rd Infantry Division. During the invasion of Poland, he commanded VIII Army Corps. In 1940, he was appointed commander of the 16th Army; he led it during the 1940 Battle of France and Operation Barbarossa, the 1941 invasion of the Soviet Union. 
By October 1943, Busch was a field marshal and commander of Army Group Centre. He was dismissed in June 1944 after the collapse of his command during the Red Army's Operation Bagration. He was later the commander of Army Group Northwest in the final months of the war and died as a prisoner of war in England.World War II
Invasion of Poland and France
On the outbreak of World War II in September 1939, Busch was commander of the VIII Army Corps which participated in the invasion of Poland as part of the 14th Army. It captured the city of Krakow, reached the Vistula River and advanced as far as Lviv. During the campaign in Poland, he was twice awarded the Clasp to the Iron Cross.The following year Busch led the 16th Army, which consisted of 13 infantry divisions, during the Battle of France and covered the left flank of General der Panzertruppe Heinz Guderian's XIX Panzer Corps. During the later stages of the fighting in France, he was awarded the Knight's Cross of the Iron Cross  and this was followed by a promotion to Generaloberst on 19 July 1940. Once the campaign in France was completed, Busch's 16th Army remained in the country until early 1941, when it was transferred to Poland.
no relation