The Tale of the Heike

is an epic account of the struggle between two rival clans at the end of the 12th century. In the title of this work, the is one of several ways to describe the clan.
This conflict is also known in the Genpei War (1150-1185).
Translations.
This long story has been translated into English at least five times, including
An abridged translation by Burton Watson was published in 2006.