Semarkar was the younger sister of Songtsen Gampo, the famous Pugyel king who unified Tibet in the seventh century. As the Yarlung Pugyel dynasty was expanding its territory, Semarkar made a political marriage with Ligmyihya, the King of Zhangzhung, and went to live in Zhangzhung to rule with her husband. When the marriage failed, Songtsen invaded and conquered Zhangzhung.
Konchok Pendar was a master in the transmission of Tibetan medical teachings. Based in the Sakya region, he was trained by his uncle Konchok Delek of the Gongmen medical lineage and is said to have composed a number of medical works and also trained hundreds of students, among them Burtso Yonten Gyatso.
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.