"Historical Records? Zhou Benji" records:
(King Ding) In the twenty-eighth year, King Ding died, and his eldest son passed away and became the king of mourning.
In the third month after King Ai was established, his younger brother and uncle attacked and killed King Ai and established himself as King Si. In the fifth month of King Si's reign, his younger brother Wei attacked and killed King Si and established himself as King Kao. These three kings are all sons of King Ding.
Old articles from before 2014, posted for fun.
Conception: