Fujiwara no Kamatari, later known as Fujiwara no Fuhito, was a prominent Japanese statesman and the founder of the Fujiwara clan, which played a crucial role in the rise of the regency government during the Nara and Heian periods. His political maneuvers and strategic marriages allowed the Fujiwara clan to gain significant influence over the imperial court, establishing a powerful aristocratic lineage that dominated Japanese politics for centuries.