- Born on June 30, 1747 in Grand-Brassac, at château de Montardy
- Deceased on April 4, 1804 in Graz, at the age of 56 years
Parents
- Jean Louis Antoine du Lau d'Allemans (1716 - 1789), marquis d'Allemans, lieutenant au régiment du roiinfanterie
- Marie-Madeleine Le Coigneux (1717 - 1752)