Question: When did Từ Dụ's husband die?
Sentence (from "Thiệu Trị"): Thiệu Trị (lit. "inheritance of prosperity"; 6 June 1807 – 4 November 1847), personal name Nguyễn Phúc Miên Tông or Nguyễn Phúc Tuyền, was the third emperor of the Nguyễn Dynasty.
Relevant evidence: Yes