The Heike Clan, also known as the Taira Clan, was a powerful samurai family in Japan during the late Heian period (794-1185). They were known for their rivalry with the Minamoto Clan, which ultimately led to the Genpei War, a significant conflict that shaped Japanese history. The Heike were influential in politics and culture, with members holding high-ranking positions in the imperial court. The clan is famously associated with the Taira no Kiyomori, a prominent leader who expanded their power. The Heike's downfall came after their defeat at the Battle of Dan-no-ura in 1185, marking the end of their dominance and the rise of the Minamoto. Their legacy continues to be celebrated in literature and folklore, particularly in the epic tale, the Heike Monogatari.