In March1194, she was engaged to Yasutoki HOJO when he celebrated his attainment of manhood at the age of 13 according to the order by Yoritomo MINAMOTO that Yoshizumi MIURA had to choose a nice girl from his granddaughters to marry Yasutoki.
建久5年（1194年）2月に13歳の北条泰時が元服した際、源頼朝が三浦義澄に孫娘から良い娘を選んで泰時と娶せるよう命じた事により泰時との婚約が決められる。