Question: What is the cause of death of Empress Xiaokangzhang's husband?
Sentence (from "Shunzhi Emperor"): The princes also appointed two co-regents: Dorgon (1612–1650), the 14th son of the Qing dynasty's founder Nurhaci (1559–1626), and Jirgalang (1599–1655), one of Nurhaci's nephews, both of whom were members of the Qing imperial clan.
Relevant evidence: No