Lady Saso
Lady Saso lived in Jinhan confederacy. She was also known as Sacred Mother of Mt. Seondo and she was from Chinese royal family. She came from China to Jinhan confederacy and gave birth to Hyeokgeose of Silla and his wife Lady Aryeong. There are specific descriptions in Samguk yusa and Samguk Sagi.Outline
The following description is from the Samguk Yusa, volume 5, clause 7.Family