Her father was a merchant and co-founder of the Chemical Bank, the precursor to JPMorgan Chase.
[3][4] On October 8, 1862, Adele was married to prominent lawyer and banker Frederic William Stevens (1839–1928) in New York City.
[6] Before their legal separation in 1886 and then divorce, they were the parents of: Around 1875, Adele met French aristocrat, soldier, and author Maurice de Talleyrand-Périgord, who was then married to fellow American heiress Elizabeth Beers-Curtis, with whom he had a daughter, Marie Palma de Talleyrand-Périgord (who later married Mario Ruspoli, 2nd Prince of Poggio Suasa).
[2] In what was described as a shock to society, Adele and Maurice married in Paris at the American Church in the Rue de Berri on 25 January 1887.
[14] The "happiness of Mrs. Stevens and the Duc de Dino, however, was only ephemeral, and on April 2, 1903, the first chamber of the Paris Civil Courts pronounced a divorce in favor of the Duchess, the Duc having no presentation in Court.
[16] Her first husband, who married Alice Caroline Seely of St John, New Brunswick in 1904, died in New York in 1928.