Louis, duc de La Chastre

[1] The elder son of Lieutenant-General Charles-Louis, marquis de La Châtre (1724-1793) by his wife Isabelle (1725-1794) daughter of Claude, marquis de Traînel, his relatives included Maria Antonia, Duchess of Bavaria and Electress of Saxony as well as Charles Edward Stuart (The Young Pretender).

Styled comte de Nançay after 1734, he was commissioned as a Sous-lieutenant in the French Army in 1756, becoming a Lieutenant in the Régiment du Boulonnois in 1761, Captain in 1764 and then in 1770 Lieutenant-Colonel in the Grenadiers.

Having commanded his troops with distinction throughout the Low Countries, Quiberon and Portugal, he returned to London in 1807.

La Chastre was created a peer of France (1815) and duke (1816) by King Louis XVIII, in addition to receiving other honours.

He was married to Marie Charlotte Louise Perrette Aglaé Bontemps from 1778 until their divorce in 1793.