In the era of the Emperor Reizei, as the first daughter of the naidaijin (minister of the center) (To no chujo), Kokiden no nyogo, was defeated by Itsuki no miya nyogo (later Akiyoshi chugu) in the competition to become the empress, and so he pinned his hope on his second daughter, Kumoi no kari and hoped to make her become the crown princess.
冷泉帝の御世、長女の弘徽殿女御が斎宮女御（後の秋好中宮）との立后争いに敗れたことから、内大臣（頭中将）は次女雲居の雁に希望を託して東宮妃にと望む。