Minamoto No Sanetomo

Minamoto no Sanetomo (源 実朝, September 17, 1192 – February 13, 1219, r. 1203–1219) was the third shogun of the Kamakura shogunate Sanetomo was the second son of the founder of the Kamakura shogunate Minamoto no Yoritomo, his mother was Hōjō Masako, and his older brother was the second Kamakura shogun Minamoto no Yoriie.

His childhood name was Senman (千万?). He was the last head of the Minamoto clan of Japan.

Read more about Minamoto No Sanetomo:  Life, Assassination, Eras of Sanetomo's bakufu