Q:Information: - Marquis Mu of Jin, ancestral name Ji (), given name Feiwang () or Fusheng (), was the ninth ruler of the state of Jin during the Western Zhou Dynasty. After his father, Marquis Xian of Jin died in 812 BC, he ascended the throne of Jin. - Shang Shu ( simplified Chinese : ; traditional Chinese : ; pinyin : Shng Sh ) , ancestral name Ji ( ) , given name unknown , was the tenth ruler of the state of Jin during the Western Zhou Dynasty . After his elder brother , Marquis Mu of Jin died in 785 BC , he gained the throne of Jin which traditionally should be passed to the eldest son , namely Chou ( ) . After Shang Shu ascended the throne , Chou was forced to leave Jin in fear of his uncle . In 781 BC , Chou brought troops to Jin to overthrow Shang Shu , and he ascended as the next ruler of Jin , Marquis Wen of Jin . - Marquis Xian of Jin, ancestral name Ji (), given name Su (), was the eighth ruler of the state of Jin during the Western Zhou Dynasty. After his father, Marquis Xi of Jin died in 823 BC, he ascended the throne of Jin. What is the relationship between 'shang shu ' and 'marquis xian of jin'?
A:
father