The Hayashi served as retainers to [[Oda Nobunaga]] during the [[Sengoku period]]. During the [[Edo period]] which followed, many became important advisors to the [[Tokugawa shogunate|Tokugawa shoguns]]. [[Hayashi Hoko|Hayashi Hôkô]] passed on his post as director of the shogunal [[Shohei-ko|Shôhei-kô]] school to his son, establishing it as hereditary.
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The Hayashi were known as prominent [[Confucianism|Confucian]] scholars. They served as retainers to [[Oda Nobunaga]] during the [[Sengoku period]], and during the [[Edo period]] which followed, many became important advisors to the [[Tokugawa shogunate|Tokugawa shoguns]]. [[Hayashi Hoko|Hayashi Hôkô]] passed on his post as director of the shogunal [[Shoheizaka gakumonjo|Shôheizaka gakumonjo]] school to his son, establishing it as hereditary.