Background
François de Cossé Brissac was born on 12 February 1868 in Paris, France.
François de Cossé Brissac was born on 12 February 1868 in Paris, France.
He served as the 11th Duke of Brissac from 1883 to 1944. His maternal granduncle, Jean-Baptiste Say, was a classical liberal economist. He graduated from the École spéciale militaire de Saint-Cyr, a military academy in Britanny, France.
He wrote a historical book about the Austrian court.
In 1894, he wrote a second book, based on his memories about the army. He served as the 11th Duke of Brissac from 1883 to 1944.
He died in 1944.