[1] In summer,[24] the Barbeys were residents of Bellevue on Lake Geneva in Switzerland, where her husband was born in 1832.

[46] Barbey moved to Paris, France living at 45 Avenue l'Alma, where she died on April 10, 1926.

Through her daughter Hélène, she was the step-grandmother of Count Guy de Pourtalès (1881–1941), the author, and Count Raimond de Pourtalès (1882–1914), attache of the German embassy, who married Countess Luise Alexandra von Bernstorff (1888–1971), daughter of Johann Heinrich von Bernstorff, the German Ambassador to the United States[34] in 1911.

[47] The wedding, which took place in Washington, D.C. was attended by William Howard Taft, who was then the President of the United States.

[53] Through her youngest son, she was the grandmother to Pierre Lorillard Barbey Jr. (1908–1989),[54] who lived in Tuxedo Park in the 1980s.

[55] He was a noted society host, including at his oceanfront residence in Palm Beach, Florida, where he entertained Prince and Princess Alexis Obolensky Jr., Mr. and Mrs. Jacob L. Webb, Mr. and Mrs. John Jacob Astor.