The Emiya Clan is one of the six Shinobi clans which founded the Land of Bears many hundreds of years ago, some members residing in Hoshigakure and some members residing in Nanpagakure. The other five, which they have an eternal partnership with, are the Einzbern Clan, the Edelfelt Clan, the Tohsaka Clan, the Leysritt Clan, and the Fujimura Clan.