Ichiman

Minamoto no Ichiman was the eldest son of the 2nd Kamakura shōgun Minamoto no Yoriie. His mother, Wakasa no Tsubone, was Hiki Yoshikazu's daughter, and the child was brought up by the Hiki clan. A year after he was born, his grandfather, Minamoto no Yoritomo, died. The child was murdered at the age of 6. His father would later be murdered a year later.