Tashi Lamo was a great Tibetan yogini who manifested rainbow body after her death. She was the mother of Lokgar Rinpoche, who is one of the tulkus of Nyingma Katok Monastery.
In her later years she became a nun and was known as a great practitioner. She passed away in 2016, and amazingly she was found to have achieved the rainbow body. Her whole body shrank to about 50 cm.