Jangchub Tsemo was a translator of Sanskrit grammatical treatises and Tantric commentaries. A student of Pang Lotsāwa, who was his maternal uncle, he taught grammar and Kālacakra to many of the era's prominent lamas, including Tsongkhapa.
Mitrayogin was a highly regarded Indian teacher who flourished in the final days of Buddhism's prominence in India. He was invited to Tibet by his disciple Tropu Lotsāwa and is best known for his tantric collection known as One Hundred Transmissions of Mitra and his Letter to King Candra.
Gyaza Kongjo, or Wencheng Gongzhu, was a Tang Dynasty noblewoman who was married to the Tibetan king Songtsen Gampo around the year 641. She is credited with bringing the Jowo Śākyamuni statue housed in the Lhasa Jokhang, and with inspiring the king to build a series of temples across the Tibetan Plateau in order to subjugate the realm and establish Buddhism there. She is considered by some to be an incarnation of White Tārā.
The TBRC RID number refers to the unique ID assigned by the Tibetan Buddhist Resource Center (TBRC.org) to each historical figure in their database of Tibetan literature.