Jiu Manzhou Dang was discovered in 1931, a month after the discovery of the Beijing edition of Manwen Laodang.
[1] The Qing dynasty emperor Hong Taiji claimed that their progenitor, Bukūri Yongšon,[3] was conceived from a virgin birth.
According to the legend, three heavenly maidens, namely Enggulen (恩古倫), Jenggulen (正古倫) and Fekulen (佛庫倫), were bathing at a lake called Bulhūri Omo near the Changbai Mountains.
However, another older version of the story by the Hurha (Hurka) tribe member Muksike recorded in 1635 contradicts Hongtaiji's version on location, claiming that it was in Heilongjiang province close to the Amur river where Bulhuri lake was located where the "heavenly maidens" took their bath.
It also fits with Jurchen history since some ancestors of the Manchus originated north before the 14th-15th centuries in the Amur and only later moved south.