Duke You of Lu (died 974 BC or 975 BC), personal name Ji Zai (姬宰) or Yi (懌), was the fourth ruler of the state of Lu, reigning for a total of 14 years. He inherited the duchy from his father, Duke Yang.
|Duke You of Lu|
|Ruler of Lu|
|Reign||987 - 974 BC or 988 – 975 BC|
|Predecessor||Duke Yang of Lu|
|Successor||Duke Wei of Lu|
|Died||974 BC or 975 BC|
|House||House of Ji|
|Father||Duke Yang of Lu|
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