Question: What is the date of death of Iphigénie Decaux-Milet-Moreau's husband?
Sentence (from "Iphigénie Decaux-Milet-Moreau"): She took lessons from the flower painter Jan Frans van Dael and became an accomplished painter in her own right, though due to her wealthy connections she painted more as a hobby than for a living.
Relevant evidence: No