What is "wuzhu"

Wuzhu (died 1148), also known by his sinicised name Wanyan Zongbi, or Jin Wuzhu, was a prince, military general and civil minister of the Jurchen-led Jin dynasty, which ruled northern China between the 12th and 13th centuries. He was the fourth son of Aguda (Emperor Taizu), the founder and first emperor of the Jin dynasty. Wuzhu started his career in the military in his youth, when he participated in the Jurchen rebellion led by his father against the Khitan-led Liao dynasty. Between the late 1120s and 1130s, he fought for the Jin dynasty in a series of wars against the Han Chinese-led Northern Song dynasty and its successor state, the Southern Song dynasty. In 1137, in recognition of his contributions in battle, he was appointed as Right Vice-Marshal and enfeoffed as the "Prince of Shen" . In the final decade of his life, he was appointed to several high-ranking positions in the Jin imperial court, including Left Chancellor , Palace Attendant , Taibao , Marshal of the Capital , Taifu , and Taishi . He died of illness in 1148. Throughout his life, he had served under three Jin emperors – Emperor Taizu (his father), Emperor Taizong (his uncle), and Emperor Xizong (his nephew).