Hartmann, Otto, born 11-09-1884 in Munich, 
entered the Army Service on 06-07-1903, age 18, as a Fähnrich in the 10th Königlich Bayrisches Feldartillerie-Regiment 
. He was promoted to Leutnant in this Regiment on 08-03-1905 and on 28-10-1912 as an Oberleutnant. In this position he was involved in the first war. He became a Hauptmann on 14-01-1916 and earned both the Iron Crosses 
. Hartmann remained in the new Reichswehr. He was ordered as an Oberst and Military Attache to Russia in 1933 and returned home on 01-10-1935. Hartmann became a Generalmajor on 15-10-1936 with the command of the 1st Artillery Regiment and promoted to Generalleutnant of the Artillery on 01-03-1938. With the start of World War II he was commander of the new XXX Army Corps and on the Western Front. Promoted to General of the Artillery and received the claps of the Iron Cross 
. On 05-08-1940 he earned the Knight’s Cross of the Iron Cross 
, for his leading of the XXX Army Corps. He 
lost his command to Generalleutnant der Infantry, Eugen Ott 
, because of a serious illness since March 1941 and remained in the Führer Reserve until 01-01-1943, almost two years. Generalleutnant Eugen Ott survived the war and died age 74 on 11-08-1966, in Hohenschäftlarn. Then Hartmann was assigned in January 1943 as Commanding General of the Security Troops and the Army Region A, he succeeded General der Infanterie, Karl von Roques
entered the Army Service on 06-07-1903, age 18, as a Fähnrich in the 10th Königlich Bayrisches Feldartillerie-Regiment . He was promoted to Leutnant in this Regiment on 08-03-1905 and on 28-10-1912 as an Oberleutnant. In this position he was involved in the first war. He became a Hauptmann on 14-01-1916 and earned both the Iron Crosses . Hartmann remained in the new Reichswehr. He was ordered as an Oberst and Military Attache to Russia in 1933 and returned home on 01-10-1935. Hartmann became a Generalmajor on 15-10-1936 with the command of the 1st Artillery Regiment and promoted to Generalleutnant of the Artillery on 01-03-1938. With the start of World War II he was commander of the new XXX Army Corps and on the Western Front. Promoted to General of the Artillery and received the claps of the Iron Cross . On 05-08-1940 he earned the Knight’s Cross of the Iron Cross , for his leading of the XXX Army Corps. He lost his command to Generalleutnant der Infantry, Eugen Ott , because of a serious illness since March 1941 and remained in the Führer Reserve until 01-01-1943, almost two years. Generalleutnant Eugen Ott survived the war and died age 74 on 11-08-1966, in Hohenschäftlarn. Then Hartmann was assigned in January 1943 as Commanding General of the Security Troops and the Army Region A, he succeeded General der Infanterie, Karl von Roques
Again in the Führer Reserve from 17-09-1943, Hartmann formed a Staff Hartmann and attached to the High Commander of the Army Group C, under command of Field Marshal, Günther von Kluge. 
He landed in Allied captivity on 02-05-1945 and first released on 04-01-1947.Death and burial ground of Hartmann, Otto.
His son also Otto, born in 1915, was a WWII Flieger Leutnant and who was killed in action, age 43. Living in Miesbach, Hartmann died at the age of 67, on 10-07-1952 and is buried with his wife Franziste, who died age 82 on 26-03-1975, and his son Otto, on the cemetery of Miesbach.
