The Kira clan was hikan (low-level bureaucrat) to serve the Gohojo clan during the Kamakura period, but Mareyoshi and Marehide, who were the brothers of the sixth generation after Maremochi, served the Emperor Godaigo.
鎌倉時代は北条氏の被官的存在だったが、希望より六代後の希世・希秀兄弟が後醍醐天皇に仕えた。