She is the only daughter of Rokujo no Miyasudokoro and Zenbo (the younger brother of Emperor Kiritsubo; crown prince before the first imperial prince of Emperor Kiritsubo (later, Emperor Suzaku), was crown prince; he does not appear in the story).
六条御息所と前坊（ぜんぼう。桐壺帝の弟。桐壺帝の第一皇子（後の朱雀帝）が東宮に擁立する前の東宮。ただし作中には登場せず）との間の一人娘。