Complex sentence: Shun Zong issues an edict to yield the throne to his son Xian Zong (Li Chun), because of an illness, taking for himself the title of "Retired Emperor" ("Taishang Huang").
Split into simpler sentences: Shun Zong issues an edict to yield the throne to his son Xian Zong (Li Chun) because of an illness. Taking for himself the title of "Retired Emperor" ("Taishang Huang").