Born 1786, as son of Feldmarschall v. Brünneck.

1801 Junker in the Husaren-Regiment v. Blücher
23.4.1803 Cornet
9.6.1806 Seconde-Lieutenant
20.12.1808 Premier-Lieutenant "of the army" and Adjudant of General-Lieutenant v. Blücher
18.4.1810 dismissed as Rittmeister, permission to wear the old uniform "of the army"
6.8.1813 Major and commander of the 5. Ostpreußisches Landwehr-Kavallerie-Regiment
7.6.1815 still in this position - so a bit doubtful whether he was in Blücher's staff
21.10.1815 Oberst-Lieutenant
13.10.1816 transfered to 8. Ulanen-Regiment
28.4.1818 dismissed as Oberst with the uniform "of the army"
1840 received the title of Ober-Burggraf
26.12.1866 died in Berlin

(from v. Förster's 1890 regimental history of the 8. Ulanen, p. 64* f.)