The piśācī (pishachi; a type of female demon) Brahmadhanā (Brahmadhana) had given birth to many brahmarākṣasa (brahmarakshasa) and brahmarākṣasī (brahmarakshasi). Akṣayā (Akshaya) was one of these brahmarākṣasī.

[See Brahmadhanā; Piśāca; Rākṣasa]

Vāyupurāṇa(69.133-134)