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Names
	Ancestral name: Ji (姬); Given name: Zai (宰)
Posthumous name
	Duke You (幽公)

Duke You of Lu
魯幽公
Duke You of Lu; 魯幽公
Ruler of Lu
Reign	987 - 974 BC or 988 – 975 BC
Predecessor	Duke Yang of Lu
Successor	Duke Wei of Lu (魯魏公)
Died	974 BC or 975 BC
Spouse	Unknown
Issue	None
Names
Names
	Ancestral name: Ji (姬); Given name: Zai (宰)
Posthumous name
	Duke You (幽公)
House	Ji
Dynasty	Lu
Father	Duke Yang of Lu
Mother	Unknown

Duke You of Lu (died 974 BC or 975 BC^[1]), personal name Ji Zai (姬宰) or Yi (懌),^[2] was the fourth ruler of the Lu state, reigning for a total of 14 years. He inherited the duchy from his father, Duke Yang.^[3]

According to Records of the Grand Historian, he was murdered by his younger brother Ji Fei (Duke Wei) who then took over the duchy.^[4]

References

^ Nivison, David S. (1999). The Key to the Chronology of the Three Dynasties: The "Modern Text" Bamboo Annals. Dept. of Asian and Middle Eastern Studies, University of Pennsylvania. p. 25.
^ Theobald, Ulrich (1 November 2018). "The Regional State of Lu 魯". Chinaknowledge. Retrieved 11 July 2021.
^ Lei, Haizhong (2020). Chinese Culture and the Chinese Military. Cambridge University Press. p. 174. ISBN 978-1-108-47918-9.
^ Hong Yuan (2018). The Sinitic Civilization Book I: A Factual History Through the Lens of Archaeology, Bronzeware, Astronomy, Divination, Calendar and the Annals. iUniverse. ISBN 978-1-5320-5829-5.