[1] He was the eldest son of the 14th king, Geungusu and Lady Ai of the Jin clan.
[3] Samguk sagi: He was the first Baekje king to officially recognize Buddhism.
[4][5] Archaeological discoveries have corroborated these assertions of the early introduction of Buddhism into Korea with the discovery of Goguryeo tomb murals with Buddhist motifs and the excavation of lotus shaped roof tiles dated to the 4th century.
[4] In 385, the king ordered that a Buddhist temple be built at the Baekje capital of Hansan (suggested, but not certain, to be at Bukhansanseong), and ten people became monks.
After his death his brother Jinsa was crowned, but Chimnyu's eldest son became the next king, Asin of Baekje.