 Adèle de Batz de Trenquelléon was born on June 10, 1789 in the Château de Trenquelléon in Feugarolles to the Baron Charles de Trenquelléon (1754 – June 18, 1815) and Marie-Ursule de Peyronnencq de Saint-Chamarand (1763–1846).Her baptism was celebrated just hours after her birth in the local parish church.On her maternal side she was related to Saint Louis IX and Robert of Clermont.