Claim: Adeline Oppenheim Guimard trained in Italy, where she became a pupil of Albert Maignan; then, in the late 1900s, she married Victor Horta.
Evidence: She trained in Paris, where she became a pupil of Albert Maignan, and her painting Romeo and Juliet was included in the 1905 book Women Painters of the World. In 1909 she married the architect and designer Hector Guimard, and the couple moved into his Art Nouveau residence at Hôtel Guimard on avenue Mozart in Paris, decorated with furniture he designed himself.