Brothers de Broglie ...
Please,
With both de Broglie brothers, the first Auguste-César, bornn 1783 was killed at the battle of Austerlitz,
and the second Charles-François-Ladislas, born in 1788 was killed at the battle of Külm, with
Russian army against French.
What is the military career of these 2 men ?
Many thanks
Best regards
Alain Chappet