Complex sentence: According to the Hwarang Segi, Mishil was the daughter of Lord Mijinbu and Lady Myodo, sister of Queen Mother Sado (consort of King Jinheung).
Split into simpler sentences: According to the Hwarang Segi, Mishil was the daughter of Lord Mijinbu. Her mother was the Lady Myodo, sister of Queen Mother Sado (consort of King Jinheung).