She was from the Kashiwade clan, powerful family of tomonomiyatsuko (chiefs of various departments at the Imperial Court) from sixth to seventh century, and a daughter of KASHIWADE no Omi Katabuko (傾子, also written as 加多夫子).
6世紀から7世紀に伴造として活躍した豪族膳氏の出身で、膳傾子（加多夫子とも、かしわでのおみかたぶこ）の娘。