Complex sentence: The current head of the Kurahashi family and Onmyo Prep School, she is a well known figure in the underworld of Onmyouji and her son (and Kyouko's father) is the Chief of Exoticism Division of Onmyo Agency.
Split into simpler sentences: The current head of the Kurahashi family and Onmyo Prep School. She is a known figure in the underworld of Onmyouji and her son (and Kyouko's father) is the Chief of Exoticism Division of Onmyo Agency.