Background
Haeseler was born in Potsdam to August Alexis Eduard Haeseler and Albertine von Schönermark.
officer Member of the Prussian House of Lords
Haeseler was born in Potsdam to August Alexis Eduard Haeseler and Albertine von Schönermark.
He entered the Prussian army as Lieutenant in 1853 and became aide-de-camp of Prince Frederick Charles of Prussia in 1860. He served in the Danish-Prussian War (1864), the Austro-Prussian War (1866), and the Franco-Prussian War (1870-1871). From 1879 he headed the military history department of the general staff, and from 1890-1903 he was General of the Cavalry and head of the XVI Army Corps in Metz.
In 1905 he received the rank of a Generalfeldmarschall.
Haeseler died in Harnekop. Among other things, the barracks of the paratrooper battalion Number.
261 in Lebach/Saar are named after Haeseler.
From 1903 he was member of the Prussian House of Lords and worked for the development of the vocational school system.