Franz Folliot de Crenneville also joined the Austrian army and quickly made a career there.
His brother Ludwig was Governor of Transylvania from 1860 until 1867, when it became an integral part of the kingdom of Hungary.
In this capacity he dedicated himself to the reorganization of the Imperial art collections and was responsible for awarding travel grants to young artists.
After his retirement in 1884, he lived in his mountain castle near Gmunden and devoted himself to the study of the history of that city.
Folliot de Crenneville was married to Hermine Chotek von Chotkow und Wognin.