Queen Sindeok, of the Goksan Kang clan, was the second wife of King Taejo, the founder of Joseon. Known as Queen Hyeon during her tenure, she was queen of Joseon from 1392 until her death in 1396. She served as Taejo's political advisor and had great influence in the founding of Joseon. Following the establishment of the Korean Empire, she was honored as Empress Sindeokgo.