Different from Imperial Princess Isoko (or called Kinshi) and Imperial Princess Masako who were the former wives of Morosuke and her elder sisters with a different mother, no Waka remains because Imperial Princess Yasuko had no talent for composing Waka; however, since she seemed to be good with her hands and was dedicated, it is said that many pairs of Japanese socks sewn for her husband, Morosuke, were found when opening a box among her belongings after her death.
師輔の先妻にして異母姉に当たる勤子内親王や雅子内親王とは違い、歌心はあまりなかったようで和歌などは残っていないが、手先が器用でまめやかな女性であったようで、死後遺品の箱を開けてみると、夫・師輔のために縫っていた足袋が大量に出てきたという話が伝わっている。