[1] He commanded an army that attempted to secure Brittany for the French crown after internal revolts had weakened Francis II, Duke of Brittany during the so-called "Mad War" (La Guerre Folle).

[2] His decisive victory at the Battle of Saint-Aubin-du-Cormier on 28 July 1488 ended effective Breton independence.

[1] He suffered a severe defeat at the Battle of Novara, in which his 10,000-strong army was ambushed by 13,000 Swiss mercenaries.

La Trémoille and other high-ranking Frenchmen fought their way towards their king, Francis I, in order to protect him.

On 28 July 1484, Louis married Gabrielle de Bourbon, daughter of Louis I, Count of Montpensier, they had: On 7 April 1517, Louis II de la Trémoille married 16-year-old Louise Borgia, Duchess of Valentinois, the only legitimate child of Cesare Borgia, Duke of Valentinois by his French wife Charlotte of Albret.