安徳天皇
was a Japanese aristocrat from the Heian period. She was the wife of Taira no Kiyomori, mother of Taira no Tokuko, and grandmother of Emperor Antoku. Later she took the vows to become a nun, after which she was generally referred to by her Buddhist name as the "Nun of the Second Rank" (Nii no Ama 二位尼).