It was Qing court protocol to put any non-Manchu consort and her close male relatives like brothers and cousins into a Manchu banner if they were a Han bannermen.
Lady Gao was considered to be "a beautiful and well-educated woman with a great personality and many capabilities".
She was greatly favored by her husband all her life and developed a wonderful relationship with his principal wife, Lady Fuca.
If you serve the nation well with sincerity and integrity, I will not refrain from giving rewards to avoid being criticised for showing favouritism.
As she was the only woman in the imperial harem holding said rank at the time, she did not receive any special title to distinguish her from the emperor's other consorts.