The matriarch of the Si family who is abusive and greedy. She accused Mother Liu of being a thief's wife and demanded money and flour from her after her granddaughter Wanwan stole her savings. She slapped Mother Liu and forced her to pay one tael of silver. She showed favoritism toward her eldest son Yaoge, a xiucai, and was obsessed with his future success. She gave coarse flour to Wang Shi while reserving fine flour for Yaoge. She drove Mother Liu's family out of the main house late at night after discovering the stolen money.
