One ruler of this family promulgated a legal code called the "Joei Shikimoku," which consolidated this family's power.
One ruler of this family promulgated a legal code called the "Joei Shikimoku," which consolidated this family's power. A female member of this family, Masako, was known as the "nun-shogun" after retiring to a monastery, and helped to turned back the rebellion of the Miura against this family. This line created a ruling office known as the Tokuso. and ascended after its general Yoshitoki emerged victorious at the Third Battle of Uji. Many prominent members of this line committed seppuku after invasion of the general Nitta Yoshisada. This line of rulers employed the Rokuhara Tandai as a police force, and their family crest was the Triforce symbol. They began to serve as shikken, or regents, after the death of Minamoto Yoritomo, up until they were betrayed by their vassal Ashikaga Takauji. FTP, name this Japanese clan which ruled during the Kamakura shogunate. 
One ruler of this family promulgated a legal code called the "Joei Shikimoku," which consolidated this family's power.
Hojo clan 