The Shirakawa-hakuo family, or the Shirakawa family was the court noble that had been originated from 'Prince Nobuzane' (the prince of Imperial Prince Kiyohito), who was the imperial grandson of Emperor Kazan, and the family inherited the ancient tradition handed over through Jingikan (officer of the institution for dedicating to religious ceremony).
白川伯王家（しらかわはくおうけ）、又は白川家（しらかわけ）とは花山天皇の皇孫の延信王（清仁親王の王子）から始まり、古代からの神祇官に伝えられた伝統を受け継いだ公家である。