Imperial Princess Anshi (晏子内親王)
Imperial Princess Anshi (Yasuko), date of birth unknown - August 22, 900, was a member of the Imperial family during the Heian period. She was the Saigu (Imperial Princess appointed to serve the deities of the Ise-jingu Shrine) of Ise. She was the first daughter of Emperor Montoku. Her mother was FUJIWARA no Resshi (Tsurako) (daughter of FUJIWARA no Koreo). Imperial Princess Keishi was her uterine sister.
In August 850, Imperial Princess Anshi was selected by divination as Saigu in the reign of her father. In September 851, she entered the Nonomiya (Field Palace). In October 852 she went down to Ise. In October 858 she retired from her office as her father, the Emperor died. She died on August 22, 900.