Liu Ju
Furthermore, Emperor Wu's favourite concubine was now the young Lady Zhao (趙婕妤), who was also known as "Lady Fist" (拳夫人) or "Lady Hook" (鉤弋夫人) due to legend that she was born with a contractured clenched fist, which somehow magically opened up when Emperor Wu massaged it, revealing a jade hook in the palm. She gave birth to Emperor Wu's youngest son Liu Fuling after a rumoured 14-month-long pregnancy, same as the legendary Emperor Yao. Overjoyed that he could still father a son with such divine implications at the age of 66, the superstitious Emperor Wu named Lady Zhao's household the "Gate of Yao's Mother" (堯母門). This gesture did not go unnoticed, and speculations started to rise that he intended to replace Liu Ju with the 3-year-old Prince Fuling as the new crown prince. Such speculation fuelled further conspiracies to dethrone Liu Ju.