Question: What is the date of death of Olga De Meyer's husband?
Sentence (from "Adolph de Meyer"): Baron Adolph de Meyer (1 September 1868 – 6 January 1946) was a photographer famed for his photographic portraits in the early 20th century, many of which depicted celebrities such as Mary Pickford, Rita Lydig, Luisa Casati, Billie Burke, Irene Castle, John Barrymore, Lillian Gish, Ruth St. Denis, King George V, and Queen Mary.
Relevant evidence: Yes