Hyoseong of Silla was the 34th to rule the Korea

Korea

Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

n kingdom of Silla

Silla

Silla was one of the Three Kingdoms of Korea, and one of the longest sustained dynasties in...

. He was the second son of King Seondeok

King Seondeok of Silla

King Seondeok of Silla was the successor to King Hyegong and the 37th to rule the Korean kingdom of Silla. He was an eleventh-generation descendant of King Naemul, and the Daughter of haechan Kim Hyo-bang by King Seongdeok's daughter Lady Saso...

 and Queen Sodeok.

Hyoseong took the daughter of the pajinchan Yeongjong as a concubine. This led to palace strife, as the jealous queen killed the concubine and Yeongjong plotted to kill her. Hyoseong had Yeongjong put to death.

After he died in 742, Hyoseong was cremated to the south of Beomnyusa temple, and his ashes were buried in the Sea of Japan

Sea of Japan

The Sea of Japan is a marginal sea of the western Pacific Ocean, between the Asian mainland, the Japanese archipelago and Sakhalin. It is bordered by Japan, North Korea, Russia and South Korea. Like the Mediterranean Sea, it has almost no tides due to its nearly complete enclosure from the Pacific...

(East Sea).