Jeonghwa

Kang Chinŭi, posthumously honoured as Queen Chŏnghwa of the Sinchon Kang clan (, was the second daughter of Kang Poyuk who would become the great-grandmother of Wang Kŏn, founder of the Goryeo dynasty. As a figure from the Later Silla period, she is the first one from among the ancestors of King Taejo to be accurately reported by the remaining records.

Biography Kang Ch'ung was a son of Kang Hogyŏng, the founder of the Sinchon Kang clan. He had three children named as Ijegŏn, Posŭng and Poyuk. Kang Poyuk married with his niece Kang Tŏkchu, the daughter of his brother Ijegŏn, and their daughter Kang Chinŭi was born. Kang Chinŭi slept with a Chinese nobleman and birthed Chakchegŏn. The Chinese nobleman father of her son was from the ruling House of Li of the Tang dynasty, China. According to and Koryŏsa chŏryo, he was Emperor Suzong of Tang. In Pyeonnyeongangmog , it stated that Emperor Xuānzong of Tang was the father of Chakchegŏn. While on his way to find his father in China, Chakchegŏn met Queen Wonchang and married her and decided to return to Korea instead. According to Record of Seongwon , Queen Wonchang was a daughter of Tu Ŭnchŏm from Pyongju. Queen Wonchang gave birth to 4 sons; one of them whose name was Wang Ryung. His son eventually became the founder of Goryeo, Taejo of Goryeo.

According to Goryeosa, her elder sister climbed the top of Mount Ogwan in a dream. In the dream, she urinated and flooded the whole world and she talked about this dream to her younger sister, Chinŭi. Chinŭi thought this dream implied good luck and she bought her sister's dream with her silk woven Chima jeogori. After that she would meet the Tang dynasty prince in Silla and give birth to Chakchegŏn.

Family Father: Kang Poyuk Grandfather: Kang Ch'ung; son of Kang Hogyŏng, founder of the Sinchon Kang clan. Grandmother: Lady Ku Mother: Lady Kang Tŏkchu ; niece of her husband. Grandfather: Kang Ijegŏn Husband Son: Chakchegŏn Daughter-in-law: Yongnyŏ / Chŏ Minŭi , Queen Wonchang