Prince Jari () was a Korean Royal Prince as the youngest son of Taejo of Goryeo and Lady Seongmu of the Pyeongsan Bak clan. His religion was Buddhism. He died too early at the young age since Ja-ri () mean was the youngest son,《고려사》권90〈열전〉권3 - 종실 - 태조 왕자 자리군 so it seems that he was the youngest son of Taejo among his 25 sons.
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