[2][3][4] He started his military career as a Cornet in the Life Guards of Horse regiment in 1808.

Stanislaus took part in the Battle of Leipzig in 1813 as an adjutant to Field Marshal Gebhard von Blücher, and was subsequently awarded with the prussian Pour le Mérite for his actions during the battle.

He was also awarded the Swedish Order of the Sword and the För tapperhet i fält medal for it.

He was dismissed from his post in 1817 and soon entered into prussian and later Russian service.

[5] He died in 1850 having achieved the rank of Major general in the Russian army.