Question: When did Robert Seaman's wife die?
Sentence (from "Robert Seaman"): Born in Catskill, Greene County, New York to William and Ellen Seaman, Robert made his fortune in the wholesale grocery business and in 1869 started the Ironclad Manufacturing Company, manufacturing cans for shipping milk on trains, riveted boilers, tanks, and “The Most Durable Enameled Kitchen Ware Made.”
Relevant evidence: No