Jomo Pema ’ö-Zér was an incarnation of Tashi Chhi’drèn, the consort of Padmasambhava who manifests as the tiger in the image of Dorje Tröllö (one of the eight manifestations of Padmakara). Jomo Pema ’ö-Zér and Rang-rig Togden were the parents of Khyungchen Aro Lingma, and the grandparents of Aro Yeshé (the previous incarnation of Ngakchang Rinpoche).